Device mounted on transportation vehicle

FIELD: information technology.

SUBSTANCE: audio-video device has a connection unit which is connected to an external device; a first control button used to start processing search for content parts stored in an external device; a unit for receiving a content list which, when an operation is carried with the first control button, receives from the external device a content list having a hierarchical structure in accordance with which content parts are classified as elements; a storage unit storing the content list received by the unit for receiving the content list; a second control button having an operations controller which can be turned and pressed and when the operations controller is turned, elements of the content list displayed by a given part of a display are selected and when the operations controller is pressed, display in the content list changes from the upper level to the lower level and an element is set; a third control button used to change the displayed content list from the lower level to the upper level; and a unit for controlling light emission which gives instructions to carry out operations prompting to carry out the next operation by changing the state of light emission of the second control button when an operation is carried out with the first control button.

EFFECT: broader functionalities of the device.

7 cl, 28 dwg

The level of technology

The technical field to which the invention relates.

The present invention relates to a device installed in the vehicle, and, preferably, for example, used in audio-video device installed in the vehicle (such audio-video device will be called the lower audio-video vehicle).

Description of the prior art,

Existing audio-video device, a vehicle designed with the ability to store large number of music contents on the hard disk or the like, which is installed inside the audio-video device of the vehicle.

In many cases, this audio-video device of the vehicle classifies and manages the music content using a hierarchical directory structure. When managing audio-video vehicle the user moves from the upper level to the lower level to find its required him parts of the musical content (see, for example, laid the publication of Japanese patent No. 2004-157661).

The invention

In particular, there is a problem, consisting in the fact that, as a portable music player that connects via USB (upsh, universal PEFC is coherent bus) as an external device, was not supposed to be used for the above-mentioned audio-video devices of the vehicle audio video device of the vehicle is unable to perform the classification and management, using the list of contents portable music player to search for pieces of music content stored in the portable music player.

In addition, audio-video device of the vehicle is inconvenient for the user because many of the control buttons are located randomly on the front side of the audio-video device of the vehicle, and therefore it is difficult to find the control buttons, you need to search for parts of the musical contents.

The present invention was made in view of the above problems and is intended to ensure the device is installed in a vehicle that provides good comfort and ease of use, even when searching for pieces of music content stored in the external device.

To solve the above described problems of the device installed in the vehicle, in accordance with the present invention, includes: a connection unit that connects with an external device; a first control button, which is used to start processing the search is and parts of the content, stored in the external device; a unit receiving the content list, which, when execute the operation on the first control button, receives from the external device a list of content that has a hierarchical structure, according to which part of the contents classified as items; save block, which maintain a list of content received by the unit receiving the content list; a second control button, which includes a controller operations, which can be rotated and pressed, and when the controller operations turn, selects an item in the content list displayed in the specified part of the display, and when the controller operations press, displaying in the list of contents is changed from the upper level to the lower level, and sets the element; a third control button, which is used to change the displayed list of contents from the lower level to the upper level; and a control unit for emission of light, which provides instructions for performing operations for the prompt to perform the following operation by changing the state of light emission of the second control buttons when you perform an operation with the first control button.

Accordingly, the user, in order to find their desired content from the content list to the external device, is implemented operation with the first control button, the second button and the third button control. Because the state of light emission is changed in accordance with the operation performed with the first control button, this can lead to instinctive next step without providing special instructions.

In accordance with the present invention, the user, to find for him a part of the content from the content list to the external device must perform an operation with the first button, the second button and the third button control. Because the state of light emission is changed in accordance with the operation of the first control button, this can lead to instinctive next step without providing special instructions. Thus, can be implemented in a device installed in a vehicle that offers good convenience and ease of use, even when searching for pieces of content stored in the external device.

The nature, principles and use of the invention will be better understood from the following detailed description of the invention when read it in conjunction with the attached drawings, in which identical parts are denoted by the same reference numbers or letters.

Brief description of drawings

On the accompanying drawings:

on figa and 1B shows a diagram illustrating the external configuration of the audio-video transport;

figure 2 shows a diagram illustrating the configuration of the appearance of the front panel;

figure 3 shows a diagram illustrating the configuration of circuits of audio-video device of the vehicle;

figure 4 shows a diagram illustrating the configuration of a contents list;

figure 5 shows the block diagram of the sequence of operations illustrating the processing procedure of the search for musical content and production instruction with light indication in the display mode.

on figa-6D shows a diagram illustrating the display screen (1) display three lines;

on five-7I shows a diagram illustrating a display screen (2) display three lines;

on figa-8D shows a diagram illustrating a display screen that displays a single row;

on figa-9F shows a diagram illustrating the display area indicating the direction of rotation when displaying a single line to indicate clockwise rotation;

figure 10 shows a diagram illustrating the configuration of the appearance of the front panel (1) in accordance with another alternative embodiment of the present invention;

figure 11 shows a diagram illustrating the configuration of the appearance of the front pan is whether (2) in accordance with another alternative embodiment of the present invention;

on Fig shows a diagram illustrating an audio-video device of the vehicle in accordance with another alternative embodiment of the present invention; and

on Fig shows a diagram illustrating, as an audio-video device of a vehicle and a portable music player connect accordance with another alternative embodiment of the present invention.

Detailed description of the invention

A variant embodiment of the present invention will be described in detail with reference to the accompanying drawings.

(1) General configuration of the audio-video vehicle

(1-1) Configuration of the appearance of audio-video vehicle

On figa and 1B by the reference number 1 position marked audio-video vehicle as a whole: audio video device 1 of the vehicle is the equivalent of the device installed in the vehicle in accordance with the present invention. Front panel 3 is provided on the front surface 2A of module 2 of the main body. When managing user audio-video device 1 of the vehicle performs processing such as reception of broadcast radio or CD playback, and then outputs the sound through the loudspeaker (not shown)connected to the module 2 main is orpus so, the user may listen to him.

It is assumed that a large part of module 2 of the main body installed in a vehicle (not shown)placed inside the instrument panel so that only the front panel 3 is opened to the outside on the instrument panel due to space limitations of the vehicle, etc.

In addition, it is anticipated that such audio-video device 1 of the vehicle can be set in the so-called left-hand drive vehicle in which the driver's seat is located on the left side of the vehicle.

In fact, the size of the audio video device 1 of the vehicle determined on the basis of the so-called industry standard Deutsche Industrie Normen - industrial Germany standard (DIN): the width of the module 2 of the main body and the front panel 3 is approximately 178 mm, while the height of the module 2 of the main body and the front panel 3 is approximately 50 mm

The button group 4 control group number of buttons 5 and unit 6 of the display, such as LCD display, LCD), the display on the organic light emitting diode (electroluminescent) or vacuum fluorescent display (VFD, WFM), located on the front surface 3A of the front panel 3 and are used as so-called user interface: button group 4 management and the group number 5 buttons allow the user to manage, while section 6 of the display represents different kinds of information to the user.

In addition, the interface 7 upsh corresponding specifications of the universal serial bus (upsh), is provided on the right side of block 6 of the display on the front surface 3A of the front panel 3; auxiliary input pin 8 (AUX) is located below the interface 7 upsh. It is assumed that the storage device upsh corresponding specifications upsh, cable upsh, continuing from the portable music player, or the like, can be connected to the interface 7 upsh.

At the bottom, left and right sides, the front panel 3 is held with the axis 10 of rotation of the support plate 10 of the front panel. The support plate 10 of the front panel is provided in unit 2 of the main body so that the supporting plate 10 of the front panel is pushed forward. In addition, as shown in figv, the locking latch 11 is provided on the front surface 2A of block 2 of the main body that holds the front cover 3 in the closed state. The appropriate unit 12 receiving the lock arm is provided on the rear surface 3 In the front panel 3 so that the unit 12 receiving the lock arm and the lock latch 11 are connected to each other.

The front panel 3 is fixed after the locking latch 11 of the block main body and the unit 12 receiving the lock arm are connected to each other. Therefore, as shown in figa, front panel 3 is closed so that the rear surface 3 In the front panel 3 is turned to the front surface 2A of module 2 of the main body, while the front surface 3A of the front panel 3 forward facing (this situation below is called a "closed state").

In addition, the button 9 of the opening provided at the top right of the front panel 3. When the user performs an operation of pressing the 9 button to open the locking latch 11 module 2 of the main body is detached from the unit 12 receiving the locking tabs of the front panel 3, and, therefore, the front panel 3 is rotated forward and down around the axis 10 of rotation of the support plate 10 of the front panel. As a result, as shown in figv, front panel 3 is opened so that the front surface 3A becomes turned down, while the rear surface 3B facing up (this situation below is called an "open state").

On the front surface 2A of module 2 of the main body is provided by the slot 13 for the drive: storage media - CD-ROM (CD, CD) (diameter and thickness of approximately 120 mm and 1.2 mm, respectively) is inserted into and removed from the slots 13 for the drive. In particular, since the slot 13 for the drive are provided on the front surface 2A of module 2 of the main body can be flexibly change the design of the audio video device 1 of the vehicle in relation to the number or locations of groups of buttons 4 management and digital buttons 5 on the front panel 3, block size 6 display, or the like.

On the front surface 2A of module 2 of the main body connector 14 connector: 14 performs the exchange electric signals with the front panel 3. Connector 15 is provided on the rear surface 3 In the front panel 3: location of connector 15 is determined on the basis of the location of the connector 14.

In the closed position, which is shown in figa, connectors 14 and 15 are in contact with each other. In the closed state of the module 2 of the main body electrically connected to the front panel 3. On the other hand, in the open condition shown in figv, connector 14 is separated from the connector 15, making it electrically disconnects the front panel 3 from module 2 of the main body.

In this regard, the audio video device 1 of the vehicle can, for example, when the vehicle is parked, detach the front panel 3 from module 2 of the main body to prevent theft or the like. For this reason, the module 2 of the main body can be electrically connected to or disconnected from the front panel 3 by using the connectors 14 and 15.

Thus, with regard to audio-video device 1 of the vehicle, the front cover 3 can be opened and closed relative to module 2 of the main body. In the closed state of the front panel is 3 electrically connected to module 2 of the main body. Open the front panel 3 is electrically disconnected from module 2 of the main body.

(1-2) Configuration of the appearance of the front panel

The following steps detail the configuration of the front panel 3. On the front surface 3A of the front panel 3, as shown in figure 2, is depicted on the left side of the display unit 6, or in an area that is closer to the driver's seat than the display unit 6, the button group 4 control (figa): group of 4 buttons control includes a button 21 power button 22 of the source, the button 23 of the mode button 24 automatic scan music (AMS, ASM)+button 25 of the AFM, the button 26 of the rotary encoder button 27 of view and the button 28 of the return.

On the front panel 3 button 22 source is located on the upper right side of the button 26 of the rotary encoder button 24 AFM+ is on the right side of the button 26 of the rotary encoder button 23 mode is located on the lower right side of the button 26 of the rotary encoder button 27 view is from the top left side of the button 2.6 rotary encoder, the button 25 of the AFM is located on the left side of the button 26 of the rotary encoder, and the button 28 of the return is on the bottom left side of the button 26 of the rotary encoder.

The button 26 of the rotary encoder includes a controller operations, which can be rotated or pressed for the carried out operations; ring indicator 26A is located around the controller operation. Ring indicator 26A made of transparent materials, etc. Ring indicator 26A is arranged to turn on lights or blinks in the inclusion of a light emitting diode (LED), which is provided inside the annular light indicator 26A.

Button 27 of view and the button 28 of the return is also made of transparent materials, etc. Button 27 of view and the button 28 return is made with the ability to light up the inclusion of LEDs provided inside the button 27 of view and the button 28 of the return.

In particular, on the surface of the button 27 view has a label (below which will be called "the mark of a magnifying glass) 27A: label 27A magnifying glass use the magnifying glass as the motive of the design, which means the image Search. Backlight button 27 view is included to highlight the label 27A magnifying glass. In addition, on the surface of the button 28 return with the notch 28A of return: label 28A return includes an image of the Reverse transition. Backlight button 28 return is included in order to highlight the label 28A return.

When you press the button 22 of the source on the front panel 3, the audio video device 1 TRANS is Ortego means changes the source to broadcast radio programs on CD, etc. Audio video device 1 of the vehicle displays the selected sound broadcast radio, CD or the like through the loudspeaker.

When you press the button 23 mode during output processing of the audio broadcast radio programs, audio video device 1 of the vehicle switches between the AM (amplitude modulation) and FM (frequency modulation) broadcast and outputs the audio of the selected band AM or FM through the loudspeaker.

When you click on the 24th ACM+, for example, during processing of the playback part of the musical content of the CD, the audio video device 1 of the vehicle then begins to play the next part of the musical content; when you press the button 25 of the AFM, audio video device 1 of the vehicle then starts to play back the previous part of the musical content.

In addition, when the button 26 of the rotary encoder is turned clockwise, audio video device 1 of the vehicle increases the playback volume; when the button 26 of the rotary encoder rotates in the counterclockwise direction, audio video device 1 of the vehicle reduces the playback volume.

When you press the button 27 viewing, audio video device 1 of the vehicle starts about what the program application to view, as described below, and is included in the view.

(1-3) Configuration of circuits of audio-video vehicle

The following describes the configuration of the circuit module 2 of the main body and the front panel 3, which are audio-video device 1 of the vehicle. Here will be described not all components will be mainly described the components that are used for the above display mode.

As shown in figure 3, module 2 of the main body of the audio video device 1 of the vehicle operates upon receiving power from the power source - rechargeable battery of the vehicle (not shown). A Central processing unit (CPU) 31 reads the main program from a permanent storage device (ROM) 32 and loads it into random access memory (RAM) 33. After the main program, the CPU 31 accepts the General control device 1. And after various application programs, the CPU 31 outputs a signal passed by the tuner unit 34, or broadcast the radio, CPU 31 outputs a signal which is a reproduction unit 35 CD playback from CD, etc.

The CPU 31 of the audio video device 1 of the vehicle uses the electronic unit 36 volume control and the amplifier 37 for amplifying the sound of the air waves and sound, play the blasted CD to the specified level, and then outputs it through the speaker. In addition, the CPU 31 displays information about the sound being played from a CD, such as playing time and the name of a musical work, in block 6 of the front panel display 3.

When you press the button 27 of view and the button 28 of the return, the unit 41, the processing of the input data, the front panel 3 transmits to the CPU 31 is pressed, indicating the fact that the button was pressed 27 view and the button 28 of the return. When you press the button 26 of the rotary encoder, the block 41 processing input front panel peredat to the CPU 31 through the block 47A detection operation of pressing the pressed signal denoting the fact that you clicked 26 rotary encoder.

This allows the CPU 31 of the audio video device 1 of the vehicle to recognize that you clicked 26 rotary encoder button 27 of view and the button 28 of the return.

In addition, the block 41 processing the input data of the front panel 3 is arranged to signal a turn clockwise to the CPU 31: turn signal clockwise generate using block 46 detection of rotation each time the button 26 of the rotary encoder is turned by a certain angle in the clockwise direction. Unit 41, the processing of the input data is arranged to transmit turn signal protivanova arrow to the CPU 31: turn signal counterclockwise generate every time when the button 26 of the rotary encoder is turned by a certain angle in the counterclockwise direction.

This allows the CPU 31 of the audio video device 1 of the vehicle to recognize that the button 26 of the rotary encoder is turned in the direction of clockwise or counterclockwise.

In addition, the CPU 31 of the audio video device 1 of the vehicle 1 is designed so you can turn on lights and flashing using the processing unit 42 of the front panel LEDs 3 LEDs 44 ring located inside the annular light indicator 26A (figure 2), and led 45 buttons inside buttons 27 of view and the button 28 of the return.

When connecting, for example, a portable music player via the interface 7 upsh, audio video device 1 of the vehicle is arranged to transfer parts of the musical content, transmitted from a portable music player to the CPU 31 by using the block 38 processing connection upsh.

At this time, the CPU 31 of the audio video device 1 of the vehicle performs the so-called playback in streaming mode, in which during the reception of parts of the musical content transmitted through the interface upsh and block 38 processing connection upsh, the CPU 31 plays them simultaneously.

(2) Different mode is s

The normal playback mode and the playback mode will be described separately as part of the various modes of audio video device 1 of the vehicle.

(2-1) the Normal play mode

When the CPU 31 of the audio video device 1 of the vehicle detects that the audio-video device 1 of the vehicle begins to accept the electricity supply and to manage it, or what button was pressed 22 source, the CPU 31 enters the normal play mode in which it outputs the audio broadcast radio or CD.

When you recognize that you clicked on 22 source, the CPU 31 of the audio video device 1 of the vehicle changes the source to broadcast radio programs on CD. If you choose to broadcast a radio program, the CPU 31 outputs the audio broadcast radio programs adopted by the tuner unit 34 through the loudspeaker, and displays the signal passed by the tuner unit 34, such as a station name, in block 6 of the display.

If you click on the button 22 of the source, and, thus, choose the CD, the CPU 31 of the audio video device 1 of the vehicle initiates the playback unit 35 CD playback part of the musical content of the CD, and outputs the sound through the loudspeaker and displays the music title and TPV block 6 of the display.

Thus, the CPU 31 and the dio-video device 1 of the vehicle operates in the normal playback mode.

(2-2) the view Mode

After entering the playback mode, the audio video device 1 of the vehicle receives a list of CL (SS) content, which is illustrated in figure 4, from portable music player connected via the interface 7 upsh and block 38 processing connection upsh. Audio video device 1 of the vehicle allows the user to search for parts of the musical contents stored in the portable music player, with a list of the SS content.

List of SS content configured hierarchically. Top level list CC content is selectable options: "ALL" means all the pieces of music content stored in the portable music player, "playlist" implies a playlist created by the user, the "Performers" means actors, Albums implies albums, Genres - implies genres, podcasts implies podcasts, etc.

On the level below the playlist "Playlist" list SS content contains the elements selectable playlist: the first playlist "Playlist01", the second playlist "Playlist02" etc.

In particular, a level that is below the first playlist "Playlist01 list SS content,has many points of "Tracks" (Tracks) music as the name of the music content, managed and classified in accordance with the first playlist "Playlist01".

In particular, the list of SS content has a variety of items. At a level located below the name of the artist "Artist"has a name "Artist01" the first artist and the name "Artist02" second artist. On the level below the names of the albums "Albums", has the name "Album01" the first album and the name "lbum02" second album. In the level below genre "Genres"has the name "Genre01" the first of the genre and the name "Genre02" second genre. In the level below the podcast "Podcast"is the name Podcast01" first podcast and the name "Podcast02" second podcast.

In particular, before entering the playback mode, the CPU 31 of the audio video device 1 of the vehicle allows the user to select one of the ways to display and how the items in the list SS content will be displayed in block 6 of the display: the display mode of one line or the display mode of the multiple lines. Below is described a case in which as an example, choose to display multiple rows or display three rows.

In fact, before entering the playback mode, the CPU 31 of the audio video device 1 of the vehicle performs the processing of searching for music content playback mode, and the processing direction by light indication, as shown in figure 5, is included in the initial replication is the first stage of the procedure RT1 and then proceeds to step SP1.

At step SP1, the CPU 31 of the audio video device 1 of the vehicle determines whether the pressed button 27 viewing the front panel 3. If a negative result is obtained, the CPU 31 returns to step SP1 and waits until it is pressed again the button 27 of view. Thus, if you receive an affirmative result, the CPU 31 proceeds to the next step SP2.

At step SP2, the CPU 31 of the audio video device 1 of the vehicle receives a list of SS content (figure 4) of the portable music player connected via the interface 7, the ANGLE and block 38 processing connection upsh, maintains a list of SS content in the RAM 33, and includes a flashing indication led ring 44 through the processing unit 42 led, flashing ring indicator 26A located around the button 26 of the rotary encoder, and then proceeds to next step SP3.

Thus, the audio-video device 1 of the vehicle allows you to visually inform the user that the user must continue to perform the operation with the button 26 of the rotary encoder, and thus prompts the user to perform an operation button 26 of the rotary encoder.

At step SP3, the CPU 31 of the audio video device 1 of the vehicle performs the determination of whether there was a turning 26 rotary encoder. If bodø is a negative result is obtained, The CPU 31 returns to step SP3 and waits again will fail the operation with the button 26 of the rotary encoder. If you receive an affirmative result, the CPU 31 proceeds to the next step SP4.

At step SP4, the CPU 31 of the audio video device 1 of the vehicle changes the items in the list SS content, playable in block 6 of the display, in accordance with the rotation of the button 26 of the rotary encoder, including the led ring 44 through the processing unit 42 led, to enable the ring light indicator 26A, and then proceeds to the next step SP5.

At step SP4, the CPU 31 of the audio video device 1 of the vehicle generates a screen TG1 selection, as shown in figa: screen TG1 selection includes image BI of view, which implies a Preview pane THAT display three lines, which represent the top-level elements of list SS content stored in the RAM 33, such as the artist name "Artists", the album "Albums" and the genre "Genres", and the cursor SS select use to select items around the center area of THE three lines. The CPU 31 then displays the screen TG1 selection in block 6 of the display.

In particular, the CPU 31 of the audio video device 1 of the vehicle is made with the capability to sequentially scroll through the items to display in the area THAT display three lines up from the bottom every time when the it receives the signal to turn clockwise through the block 46 detection of rotation and the block 41 processing the input data, after turning the button 26 of the rotary encoder in a clockwise direction.

In addition, the CPU 31 of the audio video device 1 of the vehicle is designed with the capability to sequentially scroll through the items displayed in THE display three rows, from top to down, each time it takes a signal to rotate counterclockwise through the block 46 detection of rotation and the block 41 processing the input data, after the turn button 26 of the rotary encoder in the counterclockwise direction.

When you recognize, using the cursor CU, which is placed on the section title "Albums" on the selection screen TG1 (figa)that was pressed on the button 26 of the rotary encoder, the CPU 31 of the audio video device 1 of the vehicle displays a level below the title of the album "Albums" in the area THAT display three rows.

At this time, the CPU 31 of the audio video device 1 of the vehicle generates a screen TG2 album selection and displays the screen TG2 album selection unit 6 display: screen TG2 album selection includes, as shown In figure 6, click the BI survey area THE display of three lines, which displays elements of the layer below the title of the album "Albums" list SS content, such as the name "Albums09" ninth album, called "Album01" the first album and the name "Album02" the second album, and the cursor is selecting.

When you recognize that click on the button 26 of the rotary encoder when the cursor CS selection is set on the name "Album01" the first album of the screen TG2 album selection, the CPU 31 of the audio video device 1 of the vehicle displays a level that is below the first album "Album01" in the area THAT display three rows.

At this time, the CPU 31 of the audio video device 1 of the vehicle generates a screen TG3 music selection and displays the screen TG3 music selection in block 6 display: screen TG3 music selection includes, as shown in figs, image BI viewing area of THE display of three lines, which displays elements of the layer below the title "Album01" first album list SS content, such as the title of a musical work "Track1000", the name of a musical work "Track01" and the name of a musical work "Track02", and the cursor SS selection.

At step SP5 (figure 5), the CPU 31 of the audio video device 1 of the vehicle determines whether to click on the 24th ACM+: button 24 AFM+ used for input in the above-mentioned transfer mode from playback mode. If a negative result is obtained, the CPU 31 goes to step SP7. Considering the fact that, if it receives an affirmative result, the CPU 31 proceeds to the next step SP6.

At step SP6, the CPU 31 of the audio video device 1 transport what about the funds is included in the transition mode after pressing the button 24 AFM+ and then goes to step SP7.

At step SP7, when you recognize that in block 6 of the display screen TG3 music selection (figs), click on the 24th ACM+ on the front panel 3, the CPU 31 of the audio video device 1 of the vehicle initially generates the screen TG4 the transition mode and displays a screen TG4 mode transition in block 6 of the display: as shown in fig.6D, screen TG4 mode transition comprises the above-mentioned image BI of view, the region JM notification mode transition from regions JN display the number of transitions and the side panel SB.

Here in the field JM notification mode displays "transfer Mode"that allows the user to visually recognize that the mode of transition, and it informs the user that the mode of transition. In addition, in the field of JN display the number of transitions appear "1000" or total number of items that exist in the level displayed in THE display in three lines of the screen TG3 music selection, the denominator (which will below be called "the total number of elements"), and "1" or the number of points that are supposed to pass within the level, as the numerator (which will below be referred to as "hops"). In addition, on the side of the strip SB (BP) mark is displayed RM display location, which allows the user in salino check where is the number of the transition relative to the total number of points, and moves the mark RM display location in accordance with the number of transitions.

And, as shown in figa, after 6, when the button 26 of the rotary encoder rotates in the clockwise direction so that the block 6 of the display screen TG4 mode transition (fig.6D), the CPU 31 of the audio video device 1 of the vehicle taking a turn signal clockwise through the block 46 detection of rotation, and the block 41 input processing generates screen TG5 the transition mode, the number of transitions is equal to "100", which is equivalent to 10 percent of the total number of 1000 points, and displays the screen TG5 mode transition in block 6 of the display.

As shown in fig.7F when the button 26 of the rotary encoder rotates in the clockwise direction and in block 6 of the display screen TG5 mode transition (fige), the CPU 31 of the audio video device 1 of the vehicle again takes a turn signal clockwise through the block 46 detection of rotation and the block 41 input processing, generates a screen TG6 the transition mode, the number of transitions is equal to "200", which is equivalent to 20 percent of the total number of 1000 points, and displays the screen TG6 mode transition in block 6 of the display.

Thus, each time the CPU audio type is ustroystva 1 vehicle takes a turn signal clockwise through the block 46 detection of rotation and the block 41 input processing after the turn button 26 of the rotary encoder in a clockwise direction, The CPU 31 increases the number of jumps by an amount equivalent to 10 percent of the total number of points, and displays the area JN display the number of transitions, which represent the number of transitions in block 6 of the display.

On the other hand, when the button 26 of the rotary encoder rotates in the counterclockwise direction so that in block 6 of the display screen TG6 mode transition (fig.7F), the CPU 31 of the audio video device 1 of the vehicle has a turn signal counterclockwise through the block 46 detection of rotation, and the block 41 input processing, generates a screen TG5 mode transition (fige), the number of transitions is equal to "100", which is equivalent to 10 percent of the total number of 1000 points, and displays the screen TG5 mode transition in block 6 of the display.

Accordingly, each time the CPU 31 of the audio video device 1 of the vehicle has a turn signal to the left through the block 46 detection of rotation and the block 41 of the input processing after the turn button 26 of the rotary encoder in the counterclockwise direction, the CPU 31 reduces the number of jumps by an amount equivalent to 10 percent of the total number of points, and displays in the field JN display the number of transitions is the number of transitions in block 6 of the display.

When you recognize, after rotation p. the gate of the encoder 26 in the clockwise direction, and when displayed on screen, TG7-mode transition (fig.7G), JN display, the number of transitions 800/1000", for example, that you clicked 26 rotary encoder, the CPU 31 of the audio video device 1 of the vehicle is transferred to the elements corresponding to the number "800" transition, generates screen TG8 choice of music (fign), in the field THAT displays three lines, which presents the name of the musical works "Track799", the name of a musical work "Track800" and the name of a musical work "Track801", and displays the screen TG8 choice of music in the block 6 display.

At step SP7 (figure 5), the CPU 31 of the audio video device 1 of the vehicle takes part of the musical content with the title of the track "Track800"selected by the user of the portable music player plays this part of the music content, and proceeds to step SP8 to finish processing.

At step SP7, when you recognize that by positioning the cursor SC select the name of a musical work "Track800" on the screen TG8 choice music (fign) was pressed on the button 26 of the rotary encoder, the CPU 31 of the audio video device 1 of the vehicle performs playback in streaming mode, where the CPU 31 receives a part of the musical contents with the name of a musical production is edenia "Track800 from a portable music player, connected via the interface 7 upsh and block 38 processing connection upsh, amplifies this sound is part of the musical content to the specified level using the electronic unit 36 volume control and the amplifier 37, and then outputs the amplified sound through the loudspeaker.

At this time, as shown in Fig, the CPU 31 of the audio video device 1 of the vehicle generates a screen TG9 music playback and displays the screen TG9 music playback in block 6 of the display, performing the playback streaming part of the musical content with the title of the track "Track800": when this screen TG9 playback of a musical work includes the MD area display format of music data is displayed in the format "mp3" data part of the musical content area : display the name of music, which displays the name of the musical works "Track800" part of the musical content area ST play time, showing the time "00:03" play a piece of music content, and the area SM display format playback that displays the format of the playback part of the musical content, or, for example, one of the EQ modes such as "GRAVITY", better codec "DM+" and "SHUF" (vosproizvedeny is in random order).

Thus, when the push button 27 viewing, audio video device 1 of the vehicle is included in the " preview mode includes mode flashing ring indicator 26A for visual information that the next operation should be performed with the button 26 of the rotary encoder. When the button 26 of the rotary encoder is turned, audio video device 1 of the vehicle includes an annular light indicator 26A, stopping, thus, a prompt to perform the operation with rotary encoder 26 and informing that the operation is performed with the button 26 of the rotary encoder.

And audio-video device 1 of the vehicle displays three rows of items in the list, the SS content in block 6 of the display and prompts the user to press the button 26 of the rotary encoder to navigate from the top level to the bottom level of the list of SS content for search. This allows the user to search for parts of the musical contents stored in the portable music player through the audio video device 1 of the vehicle.

In addition, since the audio video device 1 of the vehicle receives from the portable music player list SS content, which is used to search for parts of the musical content, audio video device 1 of the vehicle is e required to initiate the formation of a portable music player, a new list of the SS content. In addition, audio video device 1 of the vehicle is not required to form a new list SS content. Through the use of the obtained list of the SS content in the playback mode, the audio video device 1 of the vehicle may provide to the user the same type of search method and the portable music player through the block 6 front panel display 3.

In addition, when you click on the 24th ACM+, the CPU 31 of the audio video device 1 of the vehicle enters the transition mode, in which, if there are many points in a certain level after you pass a certain number of points based on the predetermined relationship can be searched by turning the rotary encoder 26. In accordance with this even the minimum turning 26 rotary encoder allows you to search for the desired items (pieces of music).

In particular, when you recognize that, for example, when the display screen TG3 music selection (figs), in block 6 of the display, press the button 28 of the return, the CPU 31 of the audio video device 1 of the vehicle again generates the screen TG2 album selection (pigv) and displays the screen TG2 album selection in block 6 of the display.

Thus, when the push button 28 return, the CPU 31 of the audio video device 1 of the vehicle displays the items top the level list SS content instead of the elements of the lower level in the field of THE display of the three rows.

In particular, as shown in figa, if the user initially selects the display with one line, the CPU of the audio video device 1 of the vehicle generates a screen SG1 choice and displays the screen SG1 selection in block 6 of the display, after recognizing that the button 27 view was pressed, and list the SS content of the portable music player: screen SG1 selection includes image BI viewing area VA of the display view, which displays "BRS", which informs that mode, the area SA of the display in one row, in which, for example, display the names of the albums "Albums", which represent the top-level element of the list SS content stored in the RAM 33, and the region RD denote the direction of rotation that allows the user to visually check the direction of rotation of the button 26 of the rotary encoder.

And each time, when the CPU 31 of the audio video device 1 of the vehicle has a turn signal clockwise through the block 46 detection of rotation and the block 41 of the input processing after the turn button 26 of the rotary encoder in a clockwise direction, the CPU 31 selects an item of a lower level instead of the top level from the list of SS content and displays the selected one element in the field of SA display with one line.

And each the first time, when the CPU 31 of the audio video device 1 of the vehicle has a turn signal counterclockwise through the block 46 detection of rotation and the block 41 of the input processing after the button 26 of the rotary encoder is turned in the counterclockwise direction, the CPU 31 selects an item from the top level, instead of the bottom level from the list of SS content and displays the selected one element in the field of SA display with one line.

When you recognize that, when the SA display with one line SG1 of the select (figa) display the names of the albums "Albums", click on the button 26 of the rotary encoder, the CPU 31 of the audio video device 1 of the vehicle displays the item level located below the names of the albums "Albums" instead of the names of the albums "Albums" area SA are displayed in one line.

At this time, as shown in Fig In, the CPU 31 of the audio video device 1 of the vehicle generate screen SG2 select an album, and displays the screen SG2 album selection unit 6 display: screen SG2 of the selection of the album includes the image BI viewing area VA of the display viewing area SA display with one line showing the name of the first album "Album01", which represents one of the elements of the layer below the names of the albums "Albums" list SS content, and the region D of the statement of the direction of rotation.

When you recognize that, when displayed in region SA display with one line showing the screen SG2 choice of album title "Album01" first album, push the button 26 of the rotary encoder, the CPU 31 of the audio video device 1 of the vehicle displays the item level, located below the title "Album01" the first album instead of the name "Album01" the first album in region SA are displayed in one line.

At this time, as shown in figs, the CPU 31 of the audio video device 1 of the vehicle generate the SG3 screen select the album, and displays the screen SG3 album selection unit 6 display: screen SG3 select the album includes the image BI viewing area VA of the display viewing area SA display with one line showing the name of the track "Track01", which represents one of the elements of the layer below the title "Album01" the first album in the list SS content, and scope of RD instruction rotation direction.

When you recognize that, when displayed in region SA display with one line of the screen SG3 selection of a musical work names of the musical work "Track01", click the button 26 of the rotary encoder, the CPU 31 of the audio video device 1 of the vehicle performs streaming playback, in which the CPU 31 receives a part of the music the th content of the titles of musical works "Track01" from your portable music player, connected via the interface 7 upsh and block 38 processing connection upsh, amplifies a part of the musical content to the specified level using the electronic unit 36 volume control and the amplifier 37, and then outputs the amplified sound through the loudspeaker.

At this time, as shown in fig.8D, the CPU 31 of the audio video device 1 of the vehicle generates a screen SG4 music playback and displays the screen SG4 music playback in block 6 of the display, performing the streaming part of the musical content: screen SG4 music playback includes AN area to display the name of the album, which displays the name of the album is part of the musical content area : display the name of music, which displays the name of the musical works "Track01" part of the musical content, and the area ST of the display playback time is displayed in the playback time "00:03" sound part of the musical content.

Below will be described the region RD denote the rotation direction. The CPU 31 of the audio video device 1 of the vehicle operating mode display one line made with the possibility of display area RD denote the rotation direction on the screen SG1 choice (figa), the screen SG2 album selection (pigv) and the screen SG selection of the music (figs).

As shown in figa-9F, when you take a turn signal clockwise through the block 46 detection of rotation and the block 41 of the input processing after the button 26 of the rotary encoder is turned, for example, in the clockwise direction, when in block 6 of the display screen SG1 selection screen SG2 select album screen SG3 choice of music, the CPU 31 of the audio video device 1 of the vehicle 1, for example, shows a 7 rectangular objects SD display on the right side of the field RD denote the direction of rotation and 7 rectangular objects SD display on the left side from the field of RD denote the rotation direction and modifies these rectangular objects SD display over time.

In particular, with regard to 7 rectangular objects SD display on the left side, the CPU 31 of the audio video device 1 of the vehicle sequentially displays them from the bottom up, each time increasing the number of objects in two (one last time); for 7 rectangular objects SD display on the right side, the CPU 31 of the audio video device 1 of the vehicle displays from top to bottom, each time increasing the number of objects in two (one last time). The number of rectangular objects SD display increases over time.

So the m way by changing over time rectangular objects SD display that is displayed in the field of RD denote the direction of rotation, the CPU 31 of the audio video device 1 of the vehicle can visually inform the user that the button 26 of the rotary encoder rotates in the clockwise direction.

In particular, if the button 26 of the rotary encoder rotates in the counterclockwise direction, the CPU 31 of the audio video device 1 of the vehicle is arranged to change a rectangular objects SD display that is displayed in the field of RD denote the direction of rotation over time in the opposite direction for the case in which the above-mentioned button 26 of the rotary encoder rotates in the clockwise direction.

(3) Operation and effect

In the above configuration, when the push button 27 of view, the CPU 31 of the audio video device 1 of the vehicle is included in the playback mode, and receives a list of SS content from your portable music player through the interface 7 upsh and block 38 processing connection upsh. Therefore, the CPU 31 of the audio video device 1 of the vehicle may provide the user with a search method that uses a list of SS content, and thus provides the user with a way of finding the same species that have-is the main music player.

In addition, when you press the button 27 of view, the CPU 31 of the audio video device 1 of the vehicle includes a flashing ring indicator 26A via the processing unit 42 of the led, and the led ring 44 to visually inform the user that the next operation should be performed with the button 26 of the rotary encoder. Therefore, the CPU 31 of the audio video device 1 of the vehicle may prompt the user to perform the operation button 26 of the rotary encoder.

In addition, when you press the button 27 of view, the CPU 31 of the audio video device 1 of the vehicle generates screens TG1 SG1 and selection (figa and figa)that display the image BI of view, which informs the user that executes the search, and allows the user to visually verify that executes a search, the top-level elements of list SS content, etc. of the CPU 31 of the audio video device 1 of the vehicle display screens TG1 SG1 and selection in block 6 of the display. Therefore, the CPU 31 may inform the user that searches for the pieces of music content stored in the portable music player.

In addition, when the turn button 26 of the rotary encoder, the CPU 31 of the audio video device 1 of the vehicle alters cell battery (included) which you list the SS content, displayed in block 6 of the display; when you press the button 26 of the rotary encoder, the CPU 31 displays the elements of the layer below, the selected cursor CS of choice when displaying a three line, or item level, below the item that was displayed in the area SA of the display with one line when displayed with one line, and prompts the user to repeat the operation. Accordingly, the CPU 31 of the audio video device 1 of the vehicle allows the user to search for his/her desired part of music content, by moving from the upper to the lower level of the list of SS content.

Thus, the audio-video device 1 of the vehicle equipped with the button 26 of the rotary encoder button 27 of view and the button 28 of the return, and allows the user to click on the 27th of view, on which are fixed the label 27A magnifying glass, meaning the image display "Search" before view mode.

After that, the audio video device 1 of the vehicle includes flashing mode ring indicator 26A for prompting the user to perform the operation button 26 rotary encoder and allows the user to rotate and press the button 26 of the rotary encoder to move from the upper to the lower level of the list SS content to search for his/her desired part of the musical content.

In line with this, due to the fact that the user can understand what the following operation should be performed during processing of the search of his/her desired part of music content with a list of the SS content, audio video device 1 of the vehicle provides the ability to share work unit 6 front panel display 3 buttons 26 of the rotary encoder, buttons 27 viewing and button 28 return to each other in the form of so-called intuitive interface, and allows the user unconsciously to understand how to perform the operation.

In addition, the CPU 31 of the audio video device 1 of the vehicle running in preview mode, enters the transition mode after pressing the button 24 AFM+. Accordingly, if there are many points at a certain level, after crossing points with the use of transition for a certain number of points that corresponds to the specified value in the lower direction, the processing of the search can be performed by turning the button 26 of the rotary encoder. In accordance with this, even the minimum turning 26 rotary encoder allows you to search for the required items (titles of musical works).

In addition, in the audio video device 1 of the vehicle button 27 of view and the button 28 of the return provided the s in the interval between the button 26 of the rotary encoder front panel 3 and the driver's seat. In line with this, the user does not need to look at the button 26 of the rotary encoder button 27 of view and the button 28 return to perform the operation in the playback mode, and he can easily find them by touch. In line with this, additionally improves the convenience and ease of use for users and additionally improves the security level.

In accordance with the above-described configuration, the button 27 of view and the button 28 of the return is provided between the button 26 of the rotary encoder front panel 3 and a driver's seat; however, when you search the pieces of music content stored in the portable music player, which is an external device, the user can intuitively and unconsciously to understand the way of working. Therefore, the convenience and ease of use for users who are searching parts of the musical contents stored in the external device, remain good.

(4) Other variants of the incarnation

In particular, in the above-mentioned variant embodiment, with the description of the configuration of the appearance of the front panel 3 button 27 posted by view from the upper left side of the button 26 of the rotary encoder, and the button 28 return placed on the left bottom side of the button 26 of the rotary encoder. However, the present izaberete the ie is not limited to this. As shown in figure 10, parts which are denoted by the same symbols as the corresponding parts of figure 2, as the configuration of the appearance of the front panel 103, button 127 viewing and button 128 return can be positioned horizontally on the left side of the button 26 of the rotary encoder.

Thus, if only the button 127 viewing and button 128 return provided between the button 26 of the rotary encoder front panel 103 and the driver's seat, it provides the same effect as in the above-described variant embodiments. In particular, the front panel 103 has a button 125 of the AFM, which is located below the button 127 viewing and button 128 return.

In addition, in the above-mentioned variant embodiment, if the driver seat is on the left side of the vehicle, used front panel 3. However, the present invention is not limited to this. As shown in figure 11, the details of which have been designated by the same symbols as the corresponding parts in figure 2, if the driver seat is on the right side of the vehicle, can be used front panel 203, in which the button 227 viewing and button 228 return is provided between the encoder 226 front panel 203 and the driver's seat.

Thus, when the button 227 viewing and button 228 return pre is provided between the rotary encoder 226 front panel 203 and the driver's seat, provides the same effect as in the above-mentioned variant of the incarnation.

In addition, in the above embodiment, the embodiment of the portable music player connected via the interface 7 upsh on the front panel 3. However, the present invention is not limited to this. As shown in Fig, audio-video device 301 of the vehicle, on the surface 302 In module 302 main body which is connected upsh 350, at one end of which is provided a socket A upsh, portable music players can be connected via cable 350 upsh and Jack A upsh.

In this case, shown in Fig, audio-video device 301 of the vehicle is located inside the instrument panel of the vehicle 501, and Jack A upsh connected to one end of the cable 350 upsh, openly outside the cabin of the vehicle 501.

By socket connection A upsh connected to one end of the cable 350 upsh, and connector A upsh connected to one end of the cable 402 upsh, and connect the connector 402 IN the CORNER connected to the other end of the cable 402 upsh, portable music player, 401, audio-video device 301 of the vehicle is connected to the portable music player 401 via cable 350 upsh and cable 402 upsh.

In addition, in the above-mentioned variant of the embodiment mode is of the view, searches for pieces of music content stored in the portable music player that is connected through the interface 7 upsh and block 38 processing connection upsh. However, the present invention is not limited to this. Instead, the search can take pieces of music content stored in the storage device upsh connected via the interface 7 upsh, and the block 38 processing connection upsh, and pieces of music content stored on a CD inserted into the slot 13 to disk.

In addition, in the above embodiment, the embodiment in view mode searches for pieces of music content stored in the portable music player that is connected through the interface 7 upsh and block 38 processing connection upsh. However, the present is not limited to this. Instead, you may search the content of the moving image content of an image or the like stored in the portable music player.

In this case, for example, the CPU 31 of the audio video device 1 of the vehicle may be displayed in block 6 of the display of the reduced image as the contents of the moving image, located on the lower level, which allows the user to search for parts of the content of the moving image.

In addition, mention is m above variant embodiment in view mode, searches for pieces of music content stored in the portable music player connected via the interface 7 upsh and block 38 processing connection upsh. However, the present is not limited to this. During processing in the playback mode can be searched music content from a device other than the portable music player.

In this case, when the CPU 31 of the audio video device 1 of the vehicle running in preview mode, recognizes that, for example, you clicked on 22 source, the CPU 31 receives from the CD list of contents, which presents part of the musical content of the CD, and stores the resulting list of contents in the RAM 33. After that, the CPU 31 of the audio video device 1 of the vehicle shows in block 6 of the display items of the content list stored in the RAM 33, and thus provides the user the ability to search parts of the musical content on the CD.

In addition, in the above embodiment, the embodiment in view mode searches for parts of the musical content contained in the portable music player connected via the interface 7 upsh and block 38 processing connection upsh. However, the present invention is not limited to this. For example, during processing in the playback mode, you can search the e only portable music player, but you can also search for music content and video content stored in the internal storage device (such as a hard disk drive (not shown)) of the audio video device 1 of the vehicle, or on CD, digital versatile disk (DVD), etc. inserted in the media player (not shown)that can play CD, DVD, etc.

In addition, in the above-mentioned variant embodiment, when you click on the 24th ACM+ in playback mode, the device enters the transition mode. However, the present invention is not limited to this. When you take a turn signal clockwise or counterclockwise specified number of times during a predetermined period of time from the block 41 of the input processing after the turn button 26 of the rotary encoder, the device may go into transfer mode.

In this case, in the audio video device 1 of the vehicle operation in the playback mode, can be performed using the buttons 26 of the rotary encoder, buttons 27 of view and the button 28 of the return. Because the button 24 AFM+ is not used, further improving the convenience and ease of use.

In addition, in the above-mentioned variant embodiment, the list of SS content and part of the musical content take from your portable music player through the interface 7 upsh and the block 38 is of processing connection upsh. Instead, the list of SS content and part of the musical content can be taken from portable music players using various kinds of methods of wireless data transmission, such as Bluetooth (registered trademark)standard Association infrared data transmission (IrDA), wireless local area network (LAN LAN), such as the standard of the Institute of engineers on electrical and electronics (IEEE IEEE) 802.11 standard.

In addition, in the above-mentioned variant embodiment, in the transition mode, when you take a turn signal in a clockwise or counterclockwise through the block 46 detection of rotation and the block 41 of the input processing, the number of transitions increase or decrease by an amount equivalent to 10 percent of the total number of points. However, the present invention is not limited to this. The number of transitions may be increased or decreased by an amount equivalent to 5 or 15 percent of the total number of points, or by the value set by the user, or the like.

In addition, in the above-mentioned variant of the embodiment, the CPU 31 of the audio video device 1 of the vehicle should the application program previously stored in ROM 32, to perform the search processing of musical content with the instructions provided by svetvincenat in accordance with the above procedure RT1. However, the present invention is not limited to this. The above-mentioned processing of searching for music content and delivery of instruction using light indication can be performed in accordance with an application program installed from a storage medium drive, the application program downloaded from the Internet, or an application program installed in other ways.

In addition, in the above embodiment, the embodiment of the audio video device 1 of the vehicle, which is equivalent to a device installed in the vehicle in accordance with the present invention, consists of an interface 7 upsh, which is equivalent to the connection block, the button 27 of view, which is equivalent to the first control button, the CPU 31 that is equivalent to the unit receiving the content list, the RAM 33, which is equivalent to the accumulator, the button 26 of the rotary encoder, which is equivalent to the second control button, the button 28 of the return, which is equivalent to a third control button, the processing unit 42 LEDs, which is equivalent to the control unit due to light and the button 24 AFM+, which is equivalent to the fourth control button. However, the present invention is not limited to this. Device installed in the vehicle may consist of a split block, first the control buttons, block list the contents of the accumulator, the second control button, the third button control, the control unit of the radiation light and the fourth control buttons, which are made otherwise.

Device installed in the vehicle, in accordance with the present invention can be applied, for example, other devices installed in the vehicle, in addition to audio-video device of a vehicle, such as an audio device of the vehicle and the navigation device of the vehicle, as well as in the home audio device.

To a person skilled in the art will understand that various modifications, combinations, podnominatsii and changes can be made depending on design requirements and other factors, unless they are within the scope of the attached claims of the invention or its equivalents.

1. Audiovideosoft installed in a vehicle, comprising:
a connection unit that connects with an external device;
the first control button, which is used to start the search processing contents stored in the external device;
the unit receiving the content list, which, when execute the operation on the first control button, receives from the external device spies the content, having a hierarchical structure, according to which part of the contents classified as items;
the save block, which maintain a list of content received by the unit receiving the content list;
the second button control, which includes a controller operations, which can be rotated and pressed, and when the controller operations turn, selects an item in the content list displayed predetermined part of the display, and when the controller operation press display in the list of contents is changed from the upper level to the lower level, and set the item;
the third control button, which is used to change the displayed list of contents from the lower level to the upper level;
and
the control unit of emission of light, which provides instructions for performing operations for the prompt to perform the following operation by changing the state of light emission of the second control buttons when you perform an operation with the first control button.

2. The device according to claim 1, in which the control unit due to light includes a flashing display of the second control buttons at the same time when performing operations on the first control button, and includes a second backlight control buttons at the same time when performing operations with the second control button.

3. Device is according to claim 1, in which the first control button and the third button control is provided between the second control button and the driver's seat, and the second control button is located on the front panel, which provides the first control button and the third button control.

4. The device according to claim 1, containing:
the fourth control button, which is used to skip elements by an amount corresponding to the specified ratio with respect to the elements of the list of contents displayed in the display unit; and
management tool, which changes the value every time when the second control button is turned at a given angle.

5. Way to search content in audiovideosoft installed in a vehicle and an external device connected to the device installed on the vehicle, containing the following steps:
connect the external device to the device installed on the vehicle;
start processing of searching for pieces of content stored in the external device by performing operations with the first control button;
receive from the external device a list of content that has a hierarchical structure, according to which part of the contents classified as elements when performing operations on the first button control the population, and keep a list of content received by the unit receiving the content list;
select the list item content is displayed in a predetermined display unit relative to the second button control with the controller of operations that can be rotated and pressed when turning the controller of operations;
change the display of the content list from the upper level to the lower level when the controller operation press and set the item;
and
change the display of the content list from the lower level to the upper level when performing operations with the third control button, which
the second button control button has the unit light emission and provides guidance when performing operations for the prompt to perform the following operation by changing the state of the light emission unit of the light emission of the second control buttons at the same time when performing operations on the first button control.

6. The search method according to claim 5, in which
when giving instructions for performing operations include with the flashing of the display unit of the second light emission control buttons at the same time when performing operations on the first control button, and include the unit light emission of the second control buttons at the same time when performing operations with the second control button.

7. The search method according to claim 5, sod is riasi the following steps:
let the elements of an amount equal to a specified value relative to the elements of the list of contents displayed in the display unit, using the fourth control button; and change the value every time when the second control button is turned at a given angle.