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Symptom Cause Solution
No function or Car's ignition is off. Turn the ignition on.
display. No fuse or blown fuse. Check the cause and replace the fuse.
Incorrect connections. Check connection and remedy.
Vehicle's battery is weak. Check the voltage of vehicle's battery.
Unclear picture Fluorescent tube is exhausted. Replace the fluorescent tube*.
display.
No picture Brightness control is set for Adjust the brightness.
display. minimum brightness control.
Incorrect setting of the Input mode. Switch to the correct mode.
Protective circuit is on because of Wait until the temperature inside the vehicle comes down to the
high temperature. operating temperature range (45°C).
Incorrect or open connection with Check the connection and remedy.
the Monitor, AV Interface unit.
Picture color is Brightness/Color/Tint control are not Check each control.
poor. set to the proper positions.
Spots or dotted Caused by neon signs, high-voltage Change the location of your vehicle.
lines/stripes power lines, CB transmitter, other
appear. vehicle's ignition plugs, etc.
Unit does not Monitor's power is not turned on. Turn on the monitor's power.
operate.
Navigation Navigation system’s power is turned Press the ON/OFF (POWER) button on the navigation system’s
screen is not off. remote controller to turn the navigation system’s power on.
displayed or
navigation
system’s remote
controller keys do
not work.
In Case of Difficulty
If you encounter a problem, please review the items in the
following check list. This guide will help you isolate the problem
if the unit is at fault. Otherwise, make sure the rest of your
system is properly connected or consult your authorized Alpine
dealer.
* Replacement of the fluorescent tube is not covered under the
warranty. This is a consumable part subject to wear during
normal usage.