Detection, Instant-on detection, Pop detection – Cobra Electronics 12 BAND XRS 9940 User Manual

Page 15: Responding to alerts

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Detection

Your Detector

Nothing Comes Close to a Cobra

®

25

Detection

Your Detector

24 English

Type of Signal

Visual Display Voice

Emergency Vehicles

Emergency Vehicle
Approaching

Road Hazards

Road Hazard Ahead

Trains

Train Approaching

Type of Signal

Visual Display Voice

VG-2 Alert

VG-2 Alert

Spectre 1

Spectre Alert

NOTE
There are different tones for each Safety Alert.

NOTE
There are different tones for each alert.

Description

Interpretation

Recommended
Response

Tone repeats slowly at first,
then speeds up rapidly.

Probably police radar.

FULL ALERT

Tone sounds one
time only.

Probably a false alarm,
but possibly pulsed radar,
Spectre 1 or VG-2 nearby.

Exercise caution

Tone instantly begins
repeating rapidly.

Radar, Spectre 1 or VG-2 nearby
has been activated suddenly.

FULL ALERT

Pop mode tone.

Pop mode gun very close.

FULL ALERT

Tone repeats slowly as you
approach a hill or bridge, then
speeds up sharply as you
reach it.

Probably police
radar beyond the
hill or bridge.

FULL ALERT

Tone repeats slowly
for a short period.

Probably a false alarm.

Exercise caution

Any type of laser alert.

Laser alerts are
never false alarms.

FULL ALERT

Any Safety Alert
or Strobe Alert.

You are nearing an emergency
vehicle, railroad crossing, or
road hazard (construction,
accident, etc.).

Exercise caution

Instant-On Detection

Your detector is designed to detect Instant-On speed monitoring signals,
which can suddenly appear at full strength.

NOTE
You should take appropriate action immediately whenever
an instant-on alert is given.

Pop Detection

Your detector is designed to detect single pulse mode radars. These radars
are designed to have a low probability of detection. You should note that
these radar guns have a much shorter range while in this mode.

Responding to Alerts

Safety Alert Signals and Visual Displays

VG-2 and Spectre 1 Alert Signals and Visual Displays

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