Clarion VMA770 - Manual (Page 17)

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English
5. TROUBLESHOOTING
The system does not work
A fuse may be blown. Replace the external fuse with a fuse of the same amperage.
The power wires may not be connected. Check the wiring connections and reset.
No picture
Press SOURCE to make sure the proper input is selected.
If there is still no picture, press MENU. If the menu appears, check the source unit and
video connections. If no menu appears, check all fuses and power connections to the
monitor and the associated equipment.
The noise comes out
If portable audio-visual devices are connected to this monitor in the state where it
connected with the vehicle’s power supply for charge etc., a noise may occur rarely.
In this case, please use portable audio-visual devices without connecting with a
vehicles power supply. Please use it with the internal battery of devices etc.
Note:
The monitor has an operating temperature range of –0°C to +70°C (+5°F ~ +58°F).
If the temperature is outside this operating range, the unit may not turn on, or the
screen may be slow to react to image changes. The monitor will function normally
once it returns to its proper operating range.
With a DVD player and widescreen DVD disc, there are black bars above
and below the picture
Change the TV display mode to “FULL WIDE” in the DVD player’s Setup menu.
After changing this setting, if there are still black bars, set the Display mode to “FULL
WIDE” by push MENU key as mentioned before.
The screen is dark
The brightness is set too low. Press MENU and adjust the BRIGHT option.
The interior of the vehicle is too hot or too cold. The monitor’s operating temperature is
–0°C to +70°C (+5°F ~ +58°F).