Radio Shack 360° Laser Radar Detector Owner's Manual page 17

Category 2: Highway Hazard Zone Advisory I
STATIONARY POLICE VEHICLE AHEAD
TRAIN APPROACHING/AT CROSSING
LOW OVERPASS AHEAD
DRAW BRIDGE UP
OBSERVE BRIDGE WEIGHT LIMIT
ROCK SLIDE AHEAD
SCHOOL ZONE AHEAD
ROAD NARROWS AHEAD
SHARP CURVE AHEAD
PEDESTRIAN CROSSING AHEAD
Category 3: Highway Hazard Zone Advisory II
DEER/MOOSE CROSSING
BLIND/DEAF CHILD AHEAD
STEEP GRADE AHEAD/TRUCK USE LOW GEAR
ACCIDENT AHEAD
POOR ROAD SURFACE AHEAD
SCHOOL BUS LOADING/UNLOADING
NO PASSING ZONE
DANGEROUS INTERSECTION AHEAD
STATIONARY EMERGENCY VEHICLE AHEAD
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Operation