Auxiliary Input / Output Jack: Description and Operation

GF82.90-P-2004FL Rear Entertainment AUX Applications, Function
- with CODE (864) Rear entertainment system


Function requirements
^ Circuit 30g and active telematics CAN (CAN A) (a vehicle door is opened) for t = 10 min
^ Video units or audio equipment are connected to the AUX jack of the left rear display (A40/5), the right rear display (A40/6) or the DVD player (A40/4)

General
Additional video units or audio equipment (e.g. portable DVD player, video cameras, MP3 player or game consoles) can be connected to the rear entertainment system via the AUX jack of a display or the DVD player. The video or audio devices are operated using the video or audio device itself.

No equipment-specific interface is provided by the respective display or by the DVD player in the "AUX" menu item for these video units or audio equipment.
If a video source is connected, this is automatically recognized. The background (headphones) on the display disappears and the video source is played back. If an audio source is connected, the background remains on the display and the audio source is played back.
In the "AUX" menu item, the recognized video or audio source is shown on the switched-on display.
If a video unit or audio equipment is connected to the AUX jack of a display or the DVD player, the depiction in the "AUX" menu item takes place on whichever display is switched on.

On vehicles with code (527) COMAND APS with single DVD drive (with navigation) or with code (512) COMAND APS with DVD changer, the respective video or audio source for the COMAND controller unit (A40/3) can be selected. The corresponding screen is displayed in the "AUX" menu item on the respective switched-on display according to whether a video or audio source was selected via the COMAND controller unit. Only information on the application currently active is displayed (e.g. radio station). The video or audio source of the COMAND controller unit is operated via the COMAND controller unit.

The "AUX" menu item is only active on a display that is switched on. It is only necessary to select the respective display using the "Roller" control when the "AUX" menu item is operated via the remote control.

The "Rear entertainment AUX applications" function consists of the following subfunctions:
^ Video unit detected function sequence
^ Audio unit detected function sequence
^ Transmission of audio and picture signals function sequence

Video unit detected function sequence
The display or the DVD player automatically recognizes the connection of a video unit to an AUX jack.
The display uses the transmitted data from the video unit to generate the analog or digital video and audio signals and the digital interface of the "AUX" menu item on the display.
The respective display shows the menus and their submenus in the "AUX" menu item (see operating instructions).
Selection of extra operations or settings can now be made using the listed controls on the remote control (see operating instructions).
The remote control signals are sent over the remote control's infrared (IR) interfaces and the respective display.

Audio unit detected function sequence
The display or the DVD player automatically recognizes the connection of audio equipment to an AUX jack.
The display uses the transmitted data from the audio equipment to generate the analog or digital audio signals and the digital interface of the "AUX" menu item on the display.
The respective display shows the menus and their submenus in the "AUX" menu item for the rear passenger (see operating instructions).
Selection of extra operations or settings can now be made using the listed controls on the remote control (see operating instructions).
The remote control signals are sent over the remote control's infrared (IR) interfaces and the respective display.

Transmission of audio and picture signals function sequence
After receiving the analog picture signals from the following AUX jacks via the following routes, the respective display generates the digital picture signals:
- "COMAND" (COMAND controller unit) (with code (527) COMAND APS with single DVD drive (with navigation) or with code (512) COMAND APS with DVD changer):
- COMAND controller unit
- Y-brightness (luminance)/C-color information (chrominance) (Y/C) line
- DVD player
- Y/C line

- Display AUX (AUX jack of the left rear display or AUX jack of the right rear display):
- Direct lines

- DVD player AUX:
- DVD player
- Y/C line

The generated digital picture signals are displayed via the respective display. After receiving the analog audio signals via the following route, the respective display generates the digital audio signals:
- "COMAND" (COMAND controller unit) (with code (527) COMAND APS with single DVD drive (with navigation) or with code (512) COMAND APS with DVD changer):
- COMAND controller unit
- Stereo line
- DVD player
- Stereo line

- Display AUX (AUX jack of the display):
- Direct lines

- DVD player AUX:
- DVD player
- Stereo line

Up to 31.5.2010, the digital audio signals are transmitted via the IR interface of the respective display to the IR interface of the corresponding headphones (cordless).

As of 1.6.2010, the digital audio signals are transmitted via the two-way radio interface of the respective display to the two-way radio interface of the corresponding headphones (cordless).
Volume can only be adjusted via the volume control integrated in the respective headphones.

With headphones (connected by cable) that are connected to the headphones socket at the display, the analog audio signals are transmitted from the display via the headphones cable to the headphones. The volume is adjusted using the "VOL +" and "VOL - " controls on the remote control. Additionally, the volume can be set via the volume control of the headphones. The signals from the "Vol +" and "Vol -" controls on the remote control are transferred via the IR interface to the remote control and to the respective display.

Operating instructions:
Video or audio output is performed automatically.
When a video unit or a video source of the COMAND controller unit (with code (527) COMAND APS with single DVD drive (with navigation) or with code (512) COMAND APS with DVD changer) is recognized, the scaled-down video image is shown in the application field and the "AUX" menu item with the corresponding menus on the respective display broken down as follows:
- Application bar:
- "Disk", "TV" (with code (863) Digital/analog TV tuner or with code (498) Japan version), "AUX" and "System"

- Scaled down video image and "Full screen" menu
- Function bar:
- "Selected source" (e.g. display AUX), "Source", "Treble" and "Bass"

The associated submenus can be called up on the respective display via the following menus:
- "AUX display" menu (e.g. source at the display):
- "Source" menu
- "COMAND" (with code (527) COMAND APS with single DVD drive (with navigation) or with code (512) COMAND APS with DVD changer)
- Display AUX
- Drive AUX (AUX jack on DVD player)

- "Treble" menu (for adjusting the treble from -10 to +10)
- "Bass" menu (for adjusting the bass from -10 to +10)

When audio equipment or an audio source of the COMAND controller unit (with code (527) COMAND APS with single DVD drive (with navigation) or with code (512) COMAND APS with DVD changer) is recognized, 2 speaker symbols are shown in the application field and the "AUX" menu item with the corresponding menus on the respective display broken down as follows:
- Application bar:
- "Disk", "TV" with code (863) Digital/analog TV tuner or with code (498) Japan version, "AUX" and "System"

- 2 speaker symbols
- Function bar:
- "Display AUX" (e.g. selected source), "Source", "Treble" and "Bass"

The associated submenus can be called up on the respective display via the following menus:
- "AUX display" menu (e.g. source at the display):
- "Source" menu
- "COMAND" (with code (527) COMAND APS with single DVD drive (with navigation) or with code (512) COMAND APS with DVD changer)
- Display AUX
- Drive AUX (AUX jack on DVD player)

- Drive AUX (AUX jack on DVD player)
- "Treble" menu (for adjusting the treble from -10 to +10)
- "Bass" menu (for adjusting the bass from -10 to +10)

The "AUX" menu item with menus and submenus is selected and operated on the respective display via the following controls on the remote control:
- "Roller":
- Select respective display

- "4-zone controller with OK":
- Move in 4 directions on the interface of the respective display and select the menus or submenus with "OK"

- "Back":
- Move back through menu levels

- "Mute":
- Mute the selected video unit or audio equipment for headphones connected by cable

- "VOL +" and "VOL -":
- Regulate the volume of the selected video unit or audio equipment for headphones connected by cable

- "12-key keypad":
- Alphanumeric input

The video or audio source of the COMAND controller unit is selected and operated via the COMAND controller unit only.