JVC KW·ADV792 Instructions Manual page 56

Troubleshooting
What appears to be trouble is not always serious. Check the following points before calling aservice center.
• For operations with the external components, refer also to the instructions supplied with the adapters used for the
connections (as well as the instructions supplied with the external components) .
• Messages (enclosed in" ") in the tables below are shown in the language selected on
<Language>.
(~15)
Messages described here are in the language ofthis manual.
56
• No sound comes out of the speakers.
• The screen is not clear and legible.
• "Position Error Push Open Key"
appears on the screen.
• "Mecha Error Push Reset" appears on
the screen, and the panel does not
move.
• "No Signal" appears.
• The buttons on the monitor panel do
not work.
• The unit does not work at all.
• The touch panel does not respond
properly.
• <Illumination>
function does not
work properly.
• SSM automatic presetting does not
work.
• Static noise while listening to the
radio.
• Adjust the volume to the optimum level.
• Check the cords and connections.
Sunshine from the windshield may cause this symptom.
Adjust
<Bright>.
(~14)
The monitor panel angle has been forcibly adjusted, or its
adjustment has been interrupted while opening or closing.
Press [OPEN/TILT].
Reset the unit.
(~3)
• Change the source.
• Start the playback on the external component connected to
VIDEO IN jack.
• Check the cords and connections.
• Signal input is too weak.
When the monitor panel is open, only VOL
+/-
and ~ I~
work. The other buttons do not function.
Reset the unit.
(~
3)
• Keep your hands and the touch panel clean and dry.
• Eliminate static electricity and do not place magnetic items
near the unit.
• leave the unit until the temperature becomes stable in the
car.
• Arubber mat on the floor may cause this symptom. In this
case, do not use the rubber mat.
Store stations manually.
(~24)
Connect the antenna firmly.