JVC KW-ADV790 Manual De Instrucciones página 43

Navigation screen
You can also connect a Navigation System to the VIDEO IN terminal so that you can watch the navigation screen.
Preparation:
Make sure <Navigation> is selected for <AV Input>. (☞ page 52)
To view the navigation screen (and listen to the navigation guidance*)
Press DISP on the monitor panel repeatedly.
* If your Navigation System is equipped with the voice guidance function.
To display the operation buttons (☞ page 17) while viewing the navigation screen
• The operation buttons displayed on the screen vary among the playback sources.
Touch the screen (center portion).
• If no operations are done for about five seconds, the operation buttons disappear.
• The above buttons except [KEY] also work when they are not shown on the screen (while viewing the navigation
screen).
When <Navigation> is selected for <AV Input> (☞ page 52)
• You can use the source "AV-IN" for listening to an audio source connected to the LINE IN terminals.
• Some status messages such as volume level will not appear on the screen.
☞
( page 9)
• The aspect ratio of the navigation screen is fixed to
<Full> regardless of the <Aspect> setting. (☞ page
49)
Touch the screen (center portion).
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EXTERNAL DEVICES