Whistler 1675 - Manual (Page 21)

Speed Radar Audio/Visual Alerts
When X, K or Ka is detected the band ID and signal
strength is displayed. The audio alert is continuous and
has a geiger counter-like pattern. The faster the beep the
closer or stronger the radar source. Example:
1 = weak signal, 9 = strong signal
Pulse Protection ®
When a pulse type signal (instant on strong signal) is
detected an urgent 3 second audio warning is sounded
and the display reads:
After 3 seconds standard alert pattern continues.
Ka
Display
Ka Band
Detected
Digits
ramp
1-9 9
PULSE
RADAR ALERTS
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