Uniden GNS 8400, Owner'S Manual

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No Display
If touchscreen not responding
while driving then Safe Mode is
on (see page 18).
Touchscreen not responding Turn off power. Wait a moment
and turn back on.
Clean LCD with LCD cleaner.
Make sure you are only
momentarily touching screen.
No Sound Check volume.
Make sure GPS antenna is
Searching For Satellites' still raised to a horizontal position.
showing. Make sure the unit has a clear
view of the sky.
Touch to switch to
NIGHT mode.
Make sure power supply is +12V
or +24V
!
Check power connection.
!
!
!
!
!
!
!
Display too bright when using at
!
night.
TROUBLESHOOTING
PROBLEM SOLUTION PROBLEM SOLUTION
The unit powers on but does not Check the power connection.
boot up. If unit has been exposed to hot
temperatures for long periods
turn off for a few minutes to
cool down.
!
!
DAY
35