Alert Priority; Option Select Mode - Whistler GT-438G Owner's Manual

Alert Priority

When two or more signals are received at the same time, the
alert priority is:
1. Laser
2. VG-2
3. Speed Radar
Example: If X band is alerting, then suddenly a laser signal is
detected, the laser warning will override the X band alert.

Option Select Mode

Press the Menu button to enter Option Select Mode. Press
the Menu button again will step thru in an ascending order
while pressing the City button will step thru in a decending
order.
Press the Power button to exit. Option mode will
automatically exit if no buttons are pressed within 20 seconds.
OPERATION
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