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In Case of Difficulty
If you encounter a problem, please review the items
in the following checklist. 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.
Basic
No function or display.
• Vehicle's ignition is off.
- If connected following instructions, the unit will not
operate with the vehicle's ignition off.
• Improper power lead connections.
- Check power lead connections.
• Blown fuse.
- Check the fuse on the battery lead of the unit; replace
with the proper value if necessary.
• Internal micro-computer malfunctioned due to
interference noise etc.
- Press the Reset switch with a ballpoint pen or other
pointed article.
• Weak or no battery power.
- Check battery.
No sound or unnatural sound.
• Incorrect setting of volume/balance/fader controls.
- Readjust the controls.
• Connections are not properly or securely made.
- Check the connections and firmly connect.
Screen not displayed.
• Brightness control is set at the minimum position.
- Adjust the Brightness control.
• Temperature in the vehicle is too low.
- Increase the vehicle's interior temperature to operation
temperature range.
• Connections to the DVD/CD player, navigation system
are not securely made.
- Check the connections and firmly connect.
Movement of displayed picture is abnormal.
• Temperature in the vehicle is too high.
- Allow the vehicle's interior temperature to cool.
Unclear or noisy display.
• Fluorescent plate is worn out.
- Replace the fluorescent plate.
Navigation system inoperative.
• Connections with the navigation system are improper.
- Check the connections with the navigation system and
connect the cables correctly and firmly.
Unclear picture display.
• Fluorescent tube is exhausted.
- Replace the fluorescent tube∗.
∗ The fluorescent tube replacement is not free of charge
even within the warranty period, for the tube is an
article of consumption.
Radio
Unable to receive stations.
• No antenna or open connection in cable.
- Make sure the antenna is properly connected;
replace the antenna or cable if necessary.
Unable to tune stations in the seek mode.
• You are in a weak signal area.
- Make sure the tuner is in the DX mode.
• If the area you are in is a primary signal area, the
antenna may not be grounded and connected properly.
- Check your antenna connections; make sure the
antenna is properly grounded at its mounting location.
• The antenna may not be the proper length.
- Make sure the antenna is fully extended; if broken,
replace the antenna with a new one.
Broadcast is noisy.
• The antenna is not the proper length.
- Extend the antenna fully; replace it if it is broken.
• The antenna is poorly grounded.
- Make sure the antenna is grounded properly at its
mounting location.
• The station signal is weak and noisy.
- If above solution does not work, tune in another
station.