Whistler 338Ru User Manual download pdf (Page 13)

RADAR/LASER ALERTSOPERATION

Stay Alert Feature

The Stay Alert Feature is designed to test a driver’s alertness.

To engage (when the unit is not alarming):

• Press and hold the City button for approximately 2 seconds.

Release the button during or immediately after the alert is

given.

Within 30-60 seconds, two beeps are sounded; to show alertness,

the driver must press either the City, Menu, or Quiet buttons within

3-5 seconds. If a button is pressed within 3-5 seconds, the cycle is

repeated. Before unit alerts, press PWR to exit this feature. If a button

is not pressed within 3-5 seconds, an alarm sounds and the entire

display flashes.

• Press the Power button to exit.

WARNING!!! Stay Alert is NOT intended as a substitute for adequate

rest. You should NOT operate a vehicle if you are drowsy. During

extended periods of vehicle operation, you should take frequent

breaks. Improper reliance on the Stay Alert feature may result in

vehicle damage, personal injury or death. NEVER OPERATE A

VEHICLE IF YOU ARE DROWSY.

LASER/RADAR ALERTS

Speed Radar Audio/Visual Alerts when X, K or Ka is

detected, the band ID and signal strength are displayed.

The audio alert is continuous and has a Geiger counter-like

pattern. The faster the beep, the closer or stronger the

radar source.

Laser Audio/Visual Alerts

When a laser signal is detected the audio alert is continuous

for a minimum of 3 seconds.

• The unit‘s “L” icon will illuminate along with a corresponding

segment to indicate the general PPS rate of the source.

• When a TraffiPatrol XR laser gun is detected the unit‘s “L” icon

will illuminate along with an “t” on the display.

Pulse Protection®

Pulse (or instant-on) radar is more of a threat than

conventional radar because it remains “off” until activated

to measure the speed of a targeted vehicle. When a pulse

type transmission is detected, your Whistler detector

sounds an urgent 3-second audio warning and the display

shows a “P”.

After the 3-second pulse alert, the standard alert pattern

continues for as long as the signal is present. It is

important to respond promptly to a pulse alert, since

warning time may be minimal.

338ruman-wo_tat.qxp 1/30/2012 11:06 AM Page 23

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Whistler 338Ru User Manual Page 13

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