Troubleshooting - Sony XAV-742 Operating Instructions Manual

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SHALL BE IMPLIED FOR ANY OTHER USE.
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FROM MPEG LA, L.L.C. SEE
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THIS PRODUCT IS LICENSED UNDER THE AVC PATENT
PORTFOLIO LICENSE AND VC-1 PATENT PORTFOLIO
LICENSE FOR THE PERSONAL AND NON-
COMMERCIAL USE OF A CONSUMER TO DECODE
VIDEO IN COMPLIANCE WITH THE AVC STANDARD
("AVC VIDEO") AND/OR THE VC-1 STANDARD ("VC-1
VIDEO") THAT WAS ENCODED BY A CONSUMER
ENGAGED IN A PERSONAL AND NONCOMMERCIAL
ACTIVITY AND/OR WAS OBTAINED FROM A VIDEO
PROVIDER LICENSED TO PROVIDE AVC VIDEO AND/
OR VC-1 VIDEO. NO LICENSE IS GRANTED OR SHALL
BE IMPLIED FOR ANY OTHER USE. ADDITIONAL
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38
GB
This product uses NCM driver software which is
licensed to Sony by MCCI corporation.

Troubleshooting

If there are any problems with your unit/mobile
device, make sure your car is parked in a safe place
before examining any issues.
The following checklist will help you remedy
problems you may encounter with your unit.
Before going through the checklist below, check
the connection and operating procedures.
For details on using the fuse and removing the unit
from the dashboard, refer to the installation/
connections manual supplied with this unit.
If the problem is not solved, visit the support site on
the back cover.
General
No power is being supplied to the unit.
 Check the fuse.
 The connection is not correct.
 Connect the yellow and red power supply
leads.
There is no beep sound.
 An optional power amplifier is connected and
you are not using the built-in amplifier.
The contents of the memory have been erased.
 The power supply lead or battery has been
disconnected or it is not connected properly.
Stored stations and correct time are erased.
The fuse has blown.
The unit makes a noise when the position of the
ignition is switched.
 The leads are not matched correctly with the car's
accessory power connector.
The display disappears from/does not appear on
the monitor.
 The dimmer is set to [ON] (page 26).
 The display disappears if you press and hold OFF.
 Press OFF on the unit until the display appears.
 The monitor off function is activated (page 6).
 Touch anywhere on the display to turn the
display back on.
The display does not respond to your touch
correctly.
 Touch one part of the display at a time. If two or
more parts are touched simultaneously, the
display will not operate correctly.
 Calibrate the touch panel of the display
(page 24).
 Touch the pressure sensitive panel firmly.