F3/F3R OWNER’S MANUAL
6
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1
No power or sound
1.
The ignition switch is not turned
on.
2.
The wire is not connected
properly.
1.
Turn the vehicle key to “ACC” or
“ON”.
2.
Check the wire connection.
2
No sound with disk put in
1.
The disk is put in reversely.
2.
The disk is dirty or scratched
seriously.
1.
Put in the disk correctly.
2.
Wipe the disk or change a new
one
3
Unstable sound caused by vibration
1.
Installation is infirm.
2.
The disk is dirty or scratched
seriously.
1.
Fix the machine with installation
parts.
2.
Clean up the disk or change a
new one.
4
Can not store channels and the preset
broadcast
The battery line is connected
improperly.
Connect the cable to correct pole.
5
The noise sent by FM stereophony and
single channel broadcast give are too
loud
The broadcasting station is far away or
the signal is excessively weak.
Choose other broadcasting station with
stronger signal.
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