Whistler 1670 Owner's Manual page 22

SAFETY RADAR ALERTS
In communities where transmitters are located, the Safety
Warning System displays over 60 text messages. When
Safety Radar is detected the audio alert is geiger counter-
like.
Safety Warning System Text
Example: Poor Road Surface:
CAUTION
POOR
ROAD
SURFACE
Note: Not all areas have Safety Warning System transmitters.
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