JPH0923121A - Controller for on-vehicle electric equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the operability of an electric equipment while satisfying space saving by the arrangement of operation key parts on a display screen when there are plural operation key parts in the case of controlling the operation of an on-vehicle electric equipment by the operation of the operation key parts. SOLUTION: A display screen 11 is divided into a 1st screen for displaying an operation key part 24 having high using frequency out of plural operation key parts 24 for an electric equipment to be displayed on the display screen and a 2nd screen for displaying an operation key part 24 having low using frequency. The 1st screen is displayed on the display screen 11 preferentially to the 2nd screen so that the operation key part 24 having high using frequency is always preferentially displayed on the screen 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technical field of a vehicle-mounted electric component control device for controlling operation of various electric components mounted on a vehicle.

[0002]

2. Description of the Related Art Conventionally, a navigation system for providing various driving information to a driver or the like, for example, a current position of a vehicle, a map around the vehicle, a traveling direction, and a destination is well known. As one example, for example, JP-A-61-2080
In the device disclosed in Japanese Patent No. 75, a display device composed of a CRT (cathode ray tube or cathode ray tube) is provided on an instrument panel, a console box, or the like, and the various types of travel information are displayed on a display screen of the display device. Has been made.

[0003]

By the way, vehicles have
In addition to the navigation device described above, for example, FM / AM
A variety of electrical components such as a tuner, a compact disc player, a cassette deck, an audio device such as an equalizer device for adjusting the frequency characteristics of music, a television (video device), and an air conditioner for conditioning the air in the passenger compartment are mounted. . Normally, these electrical components are separately and separately mounted from other electrical components.For example, an operation unit for switching the operation state of the electric component and a display unit for displaying the operation state are provided for each unit. Distributed.

However, it is the driver or the like who operates the operation part of each electric component and sees the operating state displayed on the display part, and it is better to integrate the arrangement of the operation part and the display part. It is preferable because it can improve usability, and is advantageous in terms of space.

[0005] Therefore, the CRT according to the prior art described above is used.
Focusing on a display device such as a display device, the operation part of each of the electrical components described above is used as an operation key part, and the operation key part is displayed together with the operating state of the electrical component on the same display screen of one display device such as a CRT. By doing so, it is possible to improve the operability, facilitate the display, and reduce the installation space.

However, in that case, if the display screens of a plurality of operation key units for one electrical component are arranged in order regardless of the frequency of use, the screens are displayed until the display screen of the target operation key unit is displayed. It is necessary to switch sequentially, and it takes time to search the operation key section.

If a menu screen for collectively displaying a list of all screens including a plurality of operation key parts is created and a desired screen is selected and displayed, the operation key parts are selected. It takes time and effort to switch to the menu screen each time. That is, the required operation key unit cannot be selected quickly, and the operability of the electrical components is poor.

The present invention has been made in view of the above points, and an object thereof is to appropriately change the display mode of the operation key portion for operating the electrical components displayed on the display screen to display the display screen of the display means. An object of the present invention is to improve the operability of electrical components while satisfying the space saving by disposing the operation key portion on the upper side.

[0009]

In order to achieve the above object, the solution means of the present invention prioritizes the frequency of use of a plurality of operation key portions to be displayed on a display screen for controlling electrical components, and The display screen including the frequently used operation key unit is displayed on the display screen with priority over the display screen of the less frequently used operation key unit.

Specifically, according to the present invention, an operation key section for outputting an operation command signal to the on-vehicle electrical equipment is displayed on the display screen of the on-vehicle display means, and the on-vehicle electrical equipment is controlled based on the operation of the operation key section. As an on-vehicle electrical equipment control device for controlling operation, a plurality of operation key portions are displayed on the display screen of the display means, and among these operation key portions, the operation key portion that is frequently used is displayed. A first screen and a second screen for displaying an operation key unit that is used less frequently, and the first screen is displayed with priority over the second screen on the display screen of the display means. It is configured to be.

With this configuration, the first screen displaying the frequently used operation key unit among the plurality of operation key units is displayed with priority over the second screen displaying the less frequently used operation key unit. Since it is displayed on the display screen of the means, the frequently used operation key section will always be preferentially displayed on the display screen. Compared with the case where the screens are sequentially switched, the operation key portion can be searched in a shorter time.

Further, as in the case where a menu screen for collectively displaying a list of all screens including a plurality of operation key parts is created and a desired screen is selected and displayed, the operation key part is selected. Each time, there is no need to switch to the menu screen, so that the required operation key unit can be quickly selected, and the operability of the vehicle-mounted electrical component can be improved.

Preferably, the electrical equipment is an audio device, a television, a navigation device or a combination thereof.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 3 shows an overall configuration of an embodiment of the present invention, wherein 1 is an audio device mounted on a vehicle. This audio device 1 is an FM / AM tuner 2 for inputting a music source, a cassette deck 3, and a compact device. A disc player 4 (CD player) is provided. Reference numeral 5 denotes a television, and reference numeral 6 denotes an air conditioner (air conditioner). Reference numeral 7 denotes a navigation device. Although not shown, the navigation device 7 reads and stores, for example, map data stored in a compact disk (CD), and a geomagnetism for detecting a traveling direction of the vehicle. And a display device to calculate data such as the current position of the vehicle based on the map data stored in the memory and the traveling direction of the vehicle detected by the geomagnetic sensor. 10 is displayed. The above-mentioned devices 1 to 7 constitute on-vehicle electrical components.

Each of the electric components 1 to 7 has a plurality of known functions which are controlled by an external operation. For example, the audio device 1 is provided with a speaker volume adjustment function, a muting function for temporarily and instantaneously reducing the volume, a tone control function for changing sound quality, that is, a frequency characteristic of sound, and the like. Also,
In the cassette deck 3, the tape is fed at a constant speed,
There are fast reverse and fast forward functions. Further, the air conditioner 6 is provided with a temperature control function, a wind direction control function, and the like.

Reference numeral 8 is a control device for controlling the operation of the electric components 1 to 7, and the control device 8 is a central processing unit 9 (CP).
U) and a display device 10 composed of a CRT (cathode ray tube), and the display device 10 is a console box connected to a central lower portion of an instrument panel 12 at a front end of a vehicle compartment as shown in FIG. 13 at the upper end. In FIG. 2, 14 is a steering wheel,
15 is a driver seat, 16 is a passenger seat, 17, 18
Are left and right doors respectively.

The central processing unit 9 has the above electrical components 1 to 7.
Are connected so that signals can be transmitted and received, and each electrical component 1
Function keys 19 for selecting and switching to
Are input, and these function keys 19, 19,... Are arranged on the left and right sides outside the display screen 11 of the display device 10 as shown in FIG. In addition, the display device 10 has a C
The image processing data created by the central processing unit 9 is stored in the video RAM 21 via the RT controller 20 and the video RAM 21 so as to be able to exchange signals, and the CRT controller 20 controls the display device 10 based on the stored data. It is configured to display an image on the display screen 11.

Further, the operation units for switching the functions of the electric components 1 to 7 and controlling the operating states of the electric components 1 to 7 are grouped according to the degree of operation demand. That is, in order to clearly hear the alarm sound of an emergency vehicle such as an ambulance or a patrol car, the speaker volume of the audio device 1 is instantaneously reduced to a low level, or the target indoor temperature set by the air conditioner 6 is adjusted. In this case, it is necessary to operate quickly even while other electric components are in use. For this purpose, the muting function for activating the muting function of the audio device 1 is used as the operation unit having a high operation request degree. A temperature control operation unit for operating a temperature control function of the operation unit and the air conditioner 6 is set.

Then, as shown in FIG. 1, the operation part having a low operation request degree is displayed as operation key parts 24, 24, ... On the peripheral portion of the display screen 11 of the display device 10, while the operation request is made. The muting operation part and the temperature adjustment operation part, which have a high degree of accuracy, are provided on the console box 13 outside the display device 10, respectively, on the mute key 25 and the temperature adjustment key 2.
6 are provided as dedicated keys. The mute key 25 and the temperature control key 26 are constituted by ON / OFF switches, and are connected to the central processing unit as shown in FIG. 1, and when these keys 25 and 26 are pressed, The ON signal of the switch is input to the central processing unit 9 to lower the speaker volume of the audio device 1 or adjust the set temperature of the air conditioner 6.

Further, as shown in FIG.
A transparent touch sensor 22 is attached to the 0 display screen 11 in a close contact state. The touch sensor 22 has a plurality of linear transparent electrodes (not shown) arranged so as to cross each other in the horizontal direction and the vertical direction along the display screen 11. When touched, the position of the contact portion is detected by a matrix signal. The output signal of the touch sensor 22 is processed by the decoder 23 and input to the central processing unit 9. The operation key unit 24 of the image displayed on the display screen 11 of the display device 10 is displayed. When a push operation (contact operation) is performed from above the touch sensor 22, a signal corresponding to the operation key section 24 is detected by the touch sensor 22 and input to the central processing unit 9.

Now, a schematic control procedure for the air conditioner 6 and the audio device 1 in the central processing unit 9 will be described with reference to FIG.

First, in the first step S1 after the start, it is determined whether or not there is a signal input from the mute key 25 or the temperature adjustment key 26, that is, the dedicated key. If it is determined NO for "no input signal" here, the process proceeds to step S2, and it is determined whether the function key 19 for selecting the air conditioner 6 has been operated and the function switching of the air conditioner 6 has been requested. Is determined, the determination is NO
In this case, the process returns to the first step S1. Also,
When the determination is YES, the operation state of the air conditioner 6 and the image of the operation key unit 24 are displayed on the display device 1 in step S3.
0 on the display screen 11, and then in step S4
Then, it is determined whether or not the operation key unit 24 displayed on the display screen 11 has been turned ON by touch.
When the determination is NO, the air conditioner 6 is displayed on the display screen 1 in step S5.
After controlling to the operation state corresponding to the operation of the operation key unit 24 on the first, the process returns to the first step S1.

On the other hand, if the decision in step S1 is YES, "there is an input signal", the operation proceeds to step S6.
It is determined whether the mute key 25 has been operated. If this determination is YES, in step S7, the volume of the audio device 1 is reduced to a predetermined level and the muting system is activated. When the determination is NO, the process proceeds to step S8 to determine whether or not the temperature adjustment key 26 has been operated to increase the adjusted temperature. When the determination is YES, the process proceeds to step S9. When it is determined that the regulated temperature is on the rising side and NO is determined, the regulated temperature is adjusted on the descending side in step S10, and then the process returns to step S1.

Therefore, in the above embodiment, basically, when the operation control of each of the electrical components 1 to 7 is to be performed, the function key 19 corresponding to the intended electrical component 1 to 7 is selected and operated. This function key 19
The signal selected by the key 19 is input to the central processing unit 9 of the control device 8 in accordance with the operation of the control device 8. The signal processing in the central processing unit 9 causes the target electric component 1 to be displayed on the display screen 11 of the display device 10. 7 and the operation key section 24,
24,... Are displayed simultaneously. And this display screen 1
By pressing (touching) one of the operation key sections 24, 24,... Displayed on 1 with a finger, a signal corresponding to the operated operation key section 24 is detected by the touch sensor 22. The input signal is input to the central processing unit 9, and an operation command signal is output to the electric components 1 to 7 by the signal processing in the central processing unit 9.
The operation is controlled according to the operation of.

When operating the muting function of the audio device 1 or operating the temperature adjusting function of the air conditioner 6, the mute key 25 or the mute key 25 provided on the console box 13 outside the display device 10 is used. The temperature control key 26 is pushed and operated. By this operation,
The signals from the keys 25 and 26 are input to the central processing unit 9, and the signal processing in the central processing unit 9 outputs an operation command signal to the audio device 1 or the air conditioner 6. The temperature is lowered and the set temperature of the air conditioner 6 is adjusted.

At this time, while the electric components 1 to 7 are in operation, the operating state of the electric components 1 to 7 and the operation key portions 24, 24, ... Are simultaneously displayed on the display screen 11 of the display device 10. Therefore, the centralized display can improve the operability and facilitate the visual confirmation of the display of the operating state.

Moreover, the muting operation and air conditioner 6 for operating the muting function of the audio device 1
The temperature control operation for activating the temperature control function is highly demanded, and the operation unit having the high demand is operated by the display device 1.
Since the Mute key 25 and the temperature adjustment key 26 are provided exclusively on the console box 13 outside the console box 13 separately from the audio device 1 or the air conditioner 6 on the display screen 11 of the display device 10 Electrical components 2
Even if the operation key sections 24 to 5 and 7 and their operation states are displayed, it is not necessary to sequentially search the display screen 11 for images corresponding to the target audio device 1 or air conditioner 6, and the dedicated By simply operating the mute key 25 or the temperature adjustment key 26, the muting function of the audio device 1 or the temperature adjustment function of the air conditioner 6 is controlled based on the command signal of the dedicated key, regardless of the display state on the display screen 11. The operation can be controlled, and the operability can be further improved.

The operation unit other than the mute key 25 or the temperature adjustment key 26, which has a low operation demand, is the display device 10.
Is displayed on the display screen 11 as the operation key section 24, even if the number of the operation sections is large, a large installation space is not required as in the case where they are arranged on the instrument panel 12 or the like. The arrangement space for the operation unit can be reduced.

In the above embodiment, the mute key 25 and the temperature control key 2 as dedicated keys with high operation demand are used.
Although 6 is arranged in the console box 13 corresponding to the lower side around the display screen 11 of the display device 10, it may be changed to another part. For example, it is also possible to dispose it on the instrument panel 12 remote from the display device 10. The point is that it is sufficient to provide a dedicated key outside the display screen 11 of the display device 10.

Further, in addition to the dedicated keys 25 and 26 as the operation section having a high degree of operation demand, when the function of the audio device 1 or the air conditioner 6 is selected, the display screen 11 of the display device 10 is displayed.
An operation key unit 24 for operating a muting function of the audio device 1 and a temperature adjusting function of the air conditioner 6 above.
Can be displayed, and by operating the operation key unit 24,
The muting of the audio device 1 or the temperature adjustment of the air conditioner 6 may be performed similarly to the operation of the dedicated keys 25 and 26, and the operability can be further improved.

The present invention is not limited to the above-mentioned embodiment, but includes various other embodiments as shown below. The same components as those in the above-described embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

(1) In each of the electrical components 1 to 7, there are a plurality of operation key portions 24 (images in which the operation key portions 24 are combined with the operating state) for controlling the electrical components displayed on the display screen 11 of the display device 10. In some cases, the plurality of operation key units 2
, 24,... Are grouped, and the screen of the frequently used operation key unit 24 is preferentially displayed as the first screen. The screen of the operation key unit 24 for the maniac operation is configured to be displayed after the second screen.

With this configuration, for example, in the case where a plurality of display screens are sequentially ordered regardless of the frequency of use and the screens are sequentially switched until the screen of the target operation key unit 24 is displayed, the operation key unit 24 is displayed. It does not take time to search for, and a menu screen that collectively displays a list of all screens is created, and the selection of the operation key section 24 is performed as in the case of selecting and displaying a target screen from the menu screens. There is no need to switch to the menu screen each time, so that the operation of the operation key unit 24 can be facilitated and the required operation key unit 24 can be quickly selected.

(2) Further, the display screen 1 of the display device 10
Even if the operation key unit 24 displayed on the top 1 is operated, there is a case where the operation with the operation key unit 24 cannot be performed. For example, in the case where the entire map information is stored in the compact disc in the navigation device 7 and the map information corresponding to the current position of the vehicle is partially accessed from the compact disc and stored in the memory,
When a vehicle moves to an area other than the currently stored map information, it is necessary to access new map information from the compact disc. At that time, the display screen 11
However, there is a possibility that the driver or the like may determine that a malfunction has occurred because the signal cannot be accepted even if the operation key section 24 displayed in the operation key section 24 is operated.

At this time, for example, the "CD" mark is displayed on the display screen 11, the background color of the display screen 11 is changed from the normal color, and the operation key section 24 is not displayed. The display screen 11 is configured to display a message indicating that the operation of the operation key unit 24 cannot be accepted.
By doing so, it is possible to prevent the driver or the like from erroneously determining that the vehicle is in a failure state.

(3) On the display screen 11 of the display device 10, the contents of various instruction manuals are displayed in order like a picture-story show with the images of the handling state and the operation key portion 24, and the contents are notified by voice. You may do it. The handling instructions include, for example, starting inspection of a vehicle, attaching / detaching a tire chain, and replacing a tire.

For example, when explaining a method of mounting a tire chain on a vehicle tire, as shown in FIG. 5, a plurality of screens showing the respective steps of the tire chain mounting procedure are made and the plurality of screens are mounted. It is displayed on the display screen 11 in order according to the procedure, and a mounting operation method corresponding to the display state of each screen is notified by a voice message. That is, as shown in FIG. 5A, when the operation stage of setting the chain on the tire is displayed on the display screen 11, the message "Please set the chain according to the tire" is displayed. Figure (b)
As shown in the figure, when the operation stage for putting the chain on the tire is displayed, "Please put the chain on the tire."
When the operation step of winding the chain around the tire is displayed as shown in FIG. 3C, the message "Please wind the chain around the tire" is output.

Further, in each screen, the previous page key section 24 '
a, stop key portion 24'b, next page key portion 24'c, and operation key portion of menu key portion 24'd are displayed together. For example, in the screen shown in FIG. a
When is operated, the screen returns to the screen showing the previous stage of the mounting procedure as shown in FIG. 9A, and when the next page key portion 24'c is operated, the next stage of the mounting procedure is shown as shown in FIG. Go to the screen. When the stop key section 24'b is operated, the display of the screen is continued as shown in FIG. 4D, and the repeat key section 2 is replaced with the stop key section 24b.
4'e is displayed. Then, the repeat key portion 24 '
e is operated, the other keys 24'a, 24 '
Until c and 24'd are operated, the notification by voice corresponding to the screen is repeated. Furthermore, menu key part 2
When 4'd is operated, regardless of the display order, the menu screen is returned to a menu screen listing all the contents of a plurality of instruction manuals including the mounting method of the tire chain as shown in FIG. Have been.

Therefore, in this case, the operation key unit 2 is displayed on the display screen 11 of the display device 10 along with the contents of the instruction manual.
Since 4'a to 24'e are displayed, only by operating the necessary operation key portions 24'a to 24'e on the display screen, the procedure of the instruction can be easily found out. Can be easily grasped.

Further, since the handling procedure is displayed on the display screen 11 together with the voice in a picture-story show, it is possible to select a required procedure among the handling procedures and to know its contents accurately, thereby improving the usability. You can

(4) Further, in the embodiment shown in FIG.
In the case where the FM / AM tuner 2 of the audio device 1 is provided with a so-called auto-preset function that automatically detects and stores all the receivable broadcasting stations at the radio wave reception point of the vehicle, after completion of the auto-preset, A list of all currently receivable broadcasting stations together with their frequencies is displayed on the display screen 11.

That is, on the display screen 11 of the display device 10, the names of a plurality of receivable broadcasting stations are displayed together with their frequencies, and the broadcasting station currently being received among them is displayed with a predetermined identification (Fig. The frame is displayed) so that the driver etc. can be distinguished from other broadcasting stations. The display screen 11
A tuning key section 24 'is also displayed on the top, and the identification display (frame display) being received is moved to another station by operating the tuning key section 24', whereby the receiving station is displayed. It is configured to select a broadcasting station.

With this configuration, the driver etc. can list the information of all receivable broadcasting stations on the display screen,
A so-called one-shot tuning that immediately selects a broadcasting station to be received from the information on the display screen 11 without the trouble of listening to the broadcastings of those broadcasting stations in order and selecting a station is possible, and thus the on-vehicle station can be used. The usability of the FM / AM tuner 2 and thus the audio device 1 can be enhanced.

(5) In the embodiment shown in FIG. 7, a so-called graphic equalizer that visually adjusts the output frequency characteristic of the audio device 1 has its output frequency characteristic set in advance for each type of music and patterned. In this case, the frequency characteristic of each pattern is displayed on the display screen 11 together with the type of music.

That is, on the display screen 11, a plurality of selection key sections 24 ', 24', ...
Is displayed, and when one of them is operated and selected, the selected selection key portion 24 'is identified and the audio device 1 is selected.
Is set to the frequency characteristic of the music corresponding to the selection key section 24 ', and the set frequency characteristic itself is also displayed on the display screen 11.

Therefore, in this case, since the type of the selected music and its frequency characteristic are simultaneously displayed on the display screen 11, it is possible to easily grasp the frequency characteristic of the selected music.

(6) Further, in the apparatus shown in FIG. 8, the operation and operating state of the tone control for changing the characteristics of the high and low tones of the audio device 1 are displayed together.

That is, in the display screen 11 of the display device 10, a bass control key section 24'f for increasing / decreasing the bass characteristic level of tone control, a bass characteristic level display section 27 showing the actual bass characteristic level thereof, Treble control key section 2 to increase or decrease the treble characteristic level
4'g and a treble characteristic level display section 28 representing the actual treble characteristic level.
By the operation of 4'f, the bass characteristic level of the tone control is increased or decreased, and the corrected actual bass characteristic level is displayed on the bass characteristic level display section 27.
On the other hand, by operating the treble control key section 24'g, the treble characteristic level of the tone control is increased / decreased and corrected, and the corrected actual treble characteristic level is displayed on the treble characteristic level display section 28. .

Therefore, in this embodiment, high / low tone control key portions 24'f, 2 are displayed on the display screen 11.
4'g and its control keys 24'f, 24'g
Thus, the corrected high / low sound characteristic levels are simultaneously displayed, so that the tone control characteristics of the audio device 1 can be easily grasped.

(7) Further, in the embodiment shown in FIG. 9, the operation state of the compact disc player 4 constituting the audio apparatus 1 and the operation key section 24 for the operation control thereof are displayed on the display screen 11 of the display apparatus 10. 'H ~ 24'
j is also displayed.

That is, in this embodiment, as shown in FIG.
As shown in the figure, the display screen 11 of the display device 10 displays a fast forward /
Fast-return key 24'h, pause key 2 for pause
4'i and a plurality of operation keys of the skip key 24'j, the current operation state of the compact disc player 4,
For example, selection modes such as a play mode, a fast-forward mode, a fast-reverse mode, and a random mode (in the figure, a play mode “PLAY” indicating that the content is being played) are displayed, the total number of songs stored on the compact disc, and the number of played songs. The operation status display section 29 indicates the number of tracks indicating the order of the music to be played, the completion time of the music being played, the remaining time, and the remaining time. And this FIG.
In the state shown in FIG. 9A, for example, when the fast-forward section of the fast-forward / fast-return key section 24'h is operated, the compact disc player 4 is switched to the fast-forward mode, and as shown in FIG. The operation state display section 29 is changed to the fast forward mode “FF” and displayed, and at the same time,
The number of tracks, time, and the like are changed.

Therefore, in this case, since the operating state of the compact disc player 4 is displayed, the operating state can be easily grasped. Operation key unit 2
4'h to 24'j and the operation state are displayed on the same screen, and after the operation of the operation keys 24'h to 24'j, the change in the operation state is displayed instantaneously. It is easy to grasp the reaction after the operation. Further, an operation key unit 24 'is displayed on the display screen 11.
h to 24'j are displayed, and the operation key unit 24 'is displayed.
There is no limit to the number of settings of h to 24'j, and the function of the compact disc player 4 is not restricted.

[0053]

As described above, according to the present invention,
On the display screen of the in-vehicle display means, an operation key unit for outputting an operation command signal to the in-vehicle electric component is displayed, and when the operation control of the in-vehicle electric component is performed by operating the operation key unit, it should be displayed on the display screen. Of the plurality of operation key units, a first screen that displays a frequently used operation key unit and a second screen that displays an infrequently used operation key unit are divided into the first screen and the second screen. By displaying the operation key section on the display screen with priority over the screen, the operation key section that is frequently used is always displayed on the display screen with priority, and the operation key section can be searched in a short time. As with the case of creating a menu screen that displays a list of all screens at once, it is not necessary to switch to the menu screen each time the operation key part is selected. Therefore, the operation key part displayed on the display screen can be eliminated. Operation is easy, It is possible to improve the operability of mounting electrical components.

[Brief description of drawings]

FIG. 1 is a front view showing a display screen of a display device and an arrangement state of operation keys around the display screen in an embodiment of the present invention.

FIG. 2 is a schematic perspective view of a front portion of the vehicle compartment as viewed from the rear of the vehicle compartment.

FIG. 3 is a block diagram illustrating a configuration of a control system.

FIG. 4 is a flowchart illustrating a control procedure performed by a central processing unit.

FIG. 5 is an explanatory diagram showing a display state on a display screen of a display device for handling instructions of a tire chain in another embodiment of the present invention.

FIG. 6 is an explanatory diagram showing a display state on a display screen at the time of auto preset by an FM / AM tuner.

FIG. 7 is an explanatory diagram showing a display state on a display screen when a sound quality characteristic is switched by a graphic equalizer.

FIG. 8 is an explanatory diagram showing a display state on a display screen at the time of tone control.

FIG. 9 is an explanatory diagram showing a display state on a display screen when the compact disc device is operating.

[Explanation of symbols]

 Reference Signs List 1 audio device 2 FM / AM tuner 3 cassette deck 4 compact disc player 5 television 6 air conditioner 7 navigation device 9 central processing unit 10 display device 11 display screen 24, 24 ', 24'a to 24'j operation key unit 25 mute Key 26 Temperature control key

Claims (4)

[Claims] 1. A vehicle-mounted device, in which an operation key unit for outputting an operation command signal to an in-vehicle electric device is displayed on a display screen of an in-vehicle electric device, and the operation of the in-vehicle electric device is controlled based on an operation of the operation key unit. In the electrical component control device, a plurality of operation key parts are displayed on the display screen of the display means, and a first screen for displaying an operation key part that is frequently used among the plurality of operation key parts. And a second screen for displaying an infrequently used operation key unit, and the first screen is configured to be displayed preferentially to the second screen on the display screen of the display means. An in-vehicle electrical equipment control device characterized by the above. 2. The in-vehicle electrical component control device according to claim 1, wherein the electrical component is an audio device. 3. The in-vehicle electrical component control device according to claim 1 or 2, wherein the electrical component is a television. 4. The in-vehicle electrical component control device according to claim 1, 2 or 3, wherein the electrical component is a navigation device.