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XTR-435 Owner’s Manual

VG-2 Mode

See Option Select Mode to turn this feature 

on/off. When a VG-2 signal is detected, the   

VG-2 alert is sounded and the display flashes    

“VG-2”. After 3 seconds the audio is canceled 

and the display no longer flashes. This cycle is 

repeated if the VG-2 signal is detected again  . 

During the period a VG-2 signal is detected, 

a radar signal cannot be detected.

 

However, because the VG-2 alert has confirmed 

that a patrol car is nearby, you are already 

aware of the potential for speed monitoring 

and can adjust your speed accordingly. Laser 

detection is not affected while a VG-2 signal is 

detected. (See page 16 for more information)

Safety Warning System

In communities where transmitters are located, 

the Safety Warning System

 displays over 60 

text messages. When Safety Radar is detected, 

a unique audio alert sounds.

Safety Warning System Text

 Example: Poor - 

Road - Surface.

Note:

 Not all areas have Safety Warning 

System

 transmitters.

Alert Priority

When two or more signals are received at the 

same time, the alert priority is:

1. 

 Laser 

2.

 VG-2 

3.

 Speed Radar 

4.

 SWS

Example:

 If X band is alerting, then suddenly a 

VG-2 signal is detected, the VG-2 warning will 

override the X band alert.

OPERATION

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OPERATION

12

Vehicle Battery Saver Mode

The Vehicle Battery Saver Mode automatically 

shuts off the detector after 3 hrs. The timer is 

reset if the detector is turned off, unplugged 

or any button is pressed before the timer has 

expired.  The detector will alert you with an 

audible and visual warning before it shuts off. 

During this warning, you can momentarily reset 

the timer by pressing any button. If the unit has 

automatically turned off, press any button to 

turn the unit back on.

      

Refer to “Option Select Mode” for instructions 

for deactivating battery saver mode feature.

TFSR - Traffic Flow Signal Rejection

When turned on in option mode, helps 

eliminate excessive alerts from erroneous X and 

K-band sources. Traffic flow monitoring systems 

are getting more common. Many of these 

systems generate radar signals to measure 

the flow of traffic across multiple lanes. Most 

detectors will alert you to it unnecessarily. This 

rejection feature examines the incoming signal 

and will aid in reducing the alerts to such

sources.
We suggest you turn TFSR on if you are 

experiencing excessive X or K band false alerts 

every half mile or so along stretches of roadway 

that contain these traffic flow sensors.

Note:

 Enabling this feature disables K Pop 

detection (Ka Pop functions normally). 

OPERATION

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Option Select Mode

Entering Option Select Mode allows you 

to customize options such as Tone Select, 

Abbreviated Power Up Sequence, and VG-2 

Mode. Press the Menu button to enter Option 

Select Mode. When selecting options,  the 

Dark or Quiet buttons must be pressed 

within 20 seconds or Option Select Mode will 

automatically be exited.

Press and hold Menu button to exit Option 

Select Mode.

SWS OFF

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. 

Display shows:  

                    

Within 30-60 seconds, an alert is 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.

If a button is not pressed within 3-5 seconds, an 

alarm sounds and the display shows: 

• Press the Dark button to exit the Stay Alert 

feature.

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. 

OPERATION

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POP

 

Mode Alerts

Because POP

 Mode radar utilizes the same

K or Ka band frequencies, POP

 Mode Alerts will 

be displayed as regular radar alerts.

LASER/RADAR ALERTS

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 pattern like a geiger 

counter. 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 Display Shows:

Pulse Protection

®

Pulse (or instant-on) radar is more difficult 

to detect 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:

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.

POP

™ 

MODE ALERTS

 

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VG-2 Audio/Visual Alerts

Note: 

You must turn this feature on before it 

will detect VG-2.

When a VG-2 signal is detected, the detector 

“hides” its own radiated signal and becomes 

undetectable by the VG-2. Every 30 seconds, 

the detector checks for a VG-2 signal. If a VG-2 

signal is still present, the unit continues to 

hide and repeats the VG-2 alert. If no signal is 

detected, two beeps are provided, indicating 

an “all clear” condition. During a VG-2 Alert X, 

K, and Ka band signals cannot be received (see 

pg. 21).

RESET FEATURES

All user features can be reset to factory settings.

  • Unplug the Power Cord from the unit.

  • Press and hold the Quiet button.

  • Plug the Power Cord into the unit.

  • Wait for 2 beeps.

  • Release the Quiet button.

 

Unit is now reset to the following features 

and settings.
Default factory settings are:

 

 

 1.

  HIGHWAY Mode 

 2

.  Dim/Dark Mode to full illumination of  

 

   display

 3.

  Auto Quiet Mode OFF

 4.

  VG-2 Detection Mode OFF

 5.

  Safety Radar OFF 

 6.

  Vehicle Battery Saver ON

 7.

  Full Power Up sequence

 8.

  Default TONE 3 

 9.

  POP OFF        

10.

 LED Periscopes to BLINK

11.

 TFSR  OFF

VG-2 ALERTS

 

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