Alpine TMI-M990 - Manual (Page 53)

49
- EN
In Case of Difficulty
If you encounter a problem, please turn the
power off, then on again. If the unit is still not
functioning normally, 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 then consult your
authorized Alpine dealer.
No function or display.
• Vehicle's ignition is off.
- If connected according to the
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.
No sound or unnatural sound.
• Incorrect setting of volume control.
- Readjust the controls.
• Connections are not properly or
securely made.
- Check the connections and firmly
connect.
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.
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 to the navigation system
are incorrect.
- Check the connections with the
navigation system and connect the
cables correctly and firmly.
• Protective circuit is activated due to
high temperature.
- Leave the power OFF until the
temperature decreases and then turn
the power ON again.
Information
Indication
HI-TEMP