Clarion VX316AU Owner's Manual page 44

Troubleshooting
TFT SCREEN
Problem
The image is not displayed.
The display is dark.
44 VX316AU
Cause
The parking brake is not
engaged.
The Brightness control is too low.
The headlight of the vehicle is lit.
Measure
Check that the parking brake is
engaged.
Adjust the Brightness properly.
The display is made dark at night
to prevent the glare (When the
headlight of the vehicle is lit in
the daytime, the display gets
dark). Adjust the Brightness
properly.