Whistler CR85 User Manual

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• Quiet/Auto Quiet Mode


• Radar Signature ID (RSID)


• Laser Signature ID (LSID)

• Dim/Dark Mode



• 3 Filter Modes

• Auto Dim



• Ka Max Mode

• Stay Alert



• Total Band Protection

• Setting Saver



• OLED Text Display

Selectable Vehicle Battery Saver


• Detects POPMode

• Safety Warning System


• 360° Maxx Coverage

• Alert Priority



• Real Voice®

• Alert Periscopes



• 3 City Modes/Highway Mode

• Traffic Flow Signal Rejection


1.Bracket Release Button – provides quick and easy release of the mounting bracket.

2.Speaker – provides distinct audio warnings for X, K, Ka band radar, safety warning system, and laser.

3.Mounting Bracket Location – slot holds mounting bracket firmly.

4.Radar Antenna – compact, high-efficiencyantenna receives radar signals.

5.Front Laser – high gain optical lens provides increased sensitivity and field of view for leading-edgelaser detection.

6.Rear Laser – an integrated optical waveguide provides superior detection of laser signals transmitted from behind.

7.City Button - reduces the annoyance of false alerts typically encountered in urban driving areas.

8.Quiet Button - pressing QUIET before a signal is detected engages Auto Quiet Mode which automatically reduces the audio level after the initial warning to a low audio level setting.

Pressing QUIET during a radar/laser encounter silences audio alerts, while allowing visual alerts to keep you informed.

9.Power / Volume Control – gently press this button in to turn the unit on/off. Move back or forward to adjust the audio level.

10.Dim / Dark - engages Dim/Dark modes.

11.Menu Button - enters Option Select Mode.

12.Text Display – provides distinct visual confirmation of signals detected, signal strength, and indicates engaged modes of operation.

13.Alert Periscopes - provide an additional attention getting visual alert.

14.Power Jack – Provides connection for the power cord.


Mounting Guidelines

Mount the unit as low as possible near the center of the windshield.

Do not mount the unit behind wipers, ornaments, mirrored sunscreens, etc. These obstructions have metal surfaces which can affect radar and laser signals and reduce critical warning time. (Regular tinted glass does not affect reception).

Some windshields have an Instaclearor Electricleartype coating, which affect radar signals. Consult your dealer or the owner’s manual supplied with your vehicle to determine if your windshield has this coating.

Avoid placing the unit in direct contact with the windshield.

To reduce the possibility of theft, conceal the unit when not in use.



IMPORTANT: Make sure the unit is level

Windshield Mounting

Install the two suction cups and rubber bumper onto the bracket by fitting them into their holes.

Press the suction cups onto the windshield at the location you have chosen.




Important: Some newer cars have a plastic safety coating on the inside of the windshield. The windshield bracket may leave permanent marks on this type of surface. To find out if your vehicle has this type of windshield, check the vehicle’s owner’s manual or ask your dealer. We recommend

that you do not leave the suction cup bracket on the window in direct sunlight. If the detector is removed, this may cause blistering of the dash in some vehicles.

Slidethedetectorontothebracketuntilitlocksinto place.

If necessary, the unit may be leveled by bending the windshield bracket. Press the bracket release button and remove the detector before bending.

Power Cord Connection

Plug the small end of the power cord into the unit’spower jack.

Plug the large end into the vehicle’s cigarette lighter socket.

Note: Cord fits tightly into detector. When installing the cord, expect some resistance.

Fuse Replacement

The lighter socket plug is equipped with a replaceable 2 amp, 3AG fuse located behind the silver tip. To replace the fuse, carefully unscrew the tip of the plug.


IMPORTANT: Unscrew slowly. The tip contains a spring which may fly out when disassembling. Insert the new fuse with the spring and screw on the tip. With use, the screw cap on the plug may loosen. Retighten it occasionally.

Installing the Hardwire Kit

The “U” type connector must be secured to a metal surface that is electrically connected to the battery ground (negative) terminal.The

spade type connector can connect to either live

12 volts or switched 12 volts at your fuse panel accessory port. If no port is available, cut off the spade terminal, expose 1/4 to 1/2 inch of wire, and splice into a source of 12 volt power.

Fuse Replacement - Hardwire Kit

The inline fuse holder on the power cable is equipped with a replaceable 2 amp, 3AG fuse located inside the fuse holder.

To replace the fuse, carefully twist the holder to open it to gain access to the fuse.


Power On Self Test & Volume

To turn the unit ON or OFF, gently press the center of the Power/Volume button into the side of the unit. Each time your Whistler detector

is turned on, an automatic self-testsequence confirms that the speaker and visual displays are functional.

Audio Level Adjustment

To change the audio level:

Move Power/Volume button back to increase audio level.

Move Power/Volume button forward to decrease audio level. As audio level is adjusted, beeps are provided and the display indicates volume level.

Auto Quiet Mode

Auto Quiet mode reduces the selected audio level to level (1) approximately 5 seconds after a radar or safety warning systemsignal is detected. The alert for any new signal within

20 seconds will resume at level (1). Auto Quiet mode does not affect laser alerts.

Press Quiet (before a signal is detected) to engage Auto Quiet mode.

Once the Auto Quiet mode is engaged, you may cancel the audio alarm by pressing Quiet.

Press Quiet (when the unit is not alarming) to cancel Auto Quiet mode.

Quiet Mode

Quiet mode cancels audio during an alert and any new alert within 20 seconds. After 20

seconds of no radar signal detected, the audio alerts are restored.

Press Quiet to cancel the audio.

Press Quiet a second time during an alert to restore the standard audio alert pattern.


City/City 1/City 2 Mode

Whistler’s Three Stage City Mode is designed to reduce the annoyance of automatic door openers, intrusion alarms and other devices which share frequencies with police radar. Generally, X band is used for these devices.

Press City button to cancel Highway Mode and engage City Mode.

Press City button again to enter City 1 Mode.

Press City button again to enter City 2 Mode.

Press City button a fourth time to cancel City 2

Mode and returns the unit to Highway Mode.

In City Mode, weak speed/safety warning systemsignals give an initial alarm of two beeps, and then remains quiet unless the signal becomes very strong. When the signal strength increases, two additional beeps are provided.

City 1 and City 2 Modes operate the same as Highway Mode, but in City 1 Mode, only the X band sensitivity is lowered. In City 2 Mode,

X-bandis not detected.

Caution: Some towns/small cities may still be using X band radar. City Modes do not change the audio alert for laser.

Highway Mode

Highway mode provides full audio warnings any time radar (X, K, Ka, Safety Warning System) or laser signals are detected, and is recommended for open road driving.


Alert Periscopes

Whistler’s Alert Periscopes provide an added attention getting visual alert. The two extra LEDs flash on and off when the unit alarms to provide a unique visual alert. This alert can be programmed, through the Option Select Mode to: 1. flash for all alarms, 2. remain on, or 3. turn LEDs off completely.

Dim/Dark Mode

Dim/Dark Mode reduces the illumination of the display.

Press the Dark button to reduce illumination to a Dim setting.

Press the Dark button a second time engages Dark Mode. The display illumination is further reduced.

Dim or Dark Mode can be engaged during an alert. In Dark Mode, the display goes dark for as long as a signal is being detected and for 20 seconds after, then the display returns to the dimmer setting.

Press the Dark button a third time to restore full illumination to the display.

Selectable Vehicle Battery Saver Mode

The Vehicle Battery Saver Mode automatically shuts off your detector within 3 hours. 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 the Power button to turn the unit back on. Refer to “Option Select Mode” for instructions for changing the battery saver mode options.


Integrated Real Voice®

When selected, Real Voice® will be used to articulate the following:

1.Band Identification

2.Safety Warning System messages

3.Feature Selection

Note: In certain cases, the voice message does not replicate the text message.

Teach/Tutorial Mode

Provides simulated alerts for each type of signal.

Press City and Quiet buttons simultaneously

Display Shows:

Press Dark button to exit.

Setting Saver

Setting Saver stores your personalized settings so that when the detector is turned off and then on again, you do not have to re-enterthem.

Feature Engaged Confirmation

Each time a button is pressed, one beep confirms feature “on”, two beeps confirm feature “off”.

Auto Dim

The Auto Dim feature automatically switches the illumination of the text display between the bright and dim settings according to varying light conditions so that the text display will always be easy to read. To manually override the auto dim feature, use the dark button on the unit. Enter Option Select Mode to turn off the auto dim feature.


X/K and Ka Filter Modes

There are times when a radar detector in another vehicle, can emit a frequency which can cause your detector to falsely alert. These Filter Modes allow you to select the level needed for your area to minimize the occurrences of these false alerts. X/K and Ka Filter Mode factory default settings should provide adequate

filtering for most conditions. If you experience excessive alerts due to radar detectors in other vehicles, increase the Filter level for the band received. See Option Selection Mode to change the filter settings.

Ka Max Mode

Ka Max Mode provides enhanced Ka sensitivity - increased protection. This mode can be selected with or without RSID. See Option Select Mode for changing

Ka options.

Traffic Flow Signal Rejection (TFSR)

Recently, many new products operate on X or K band causing nuisance alerts to radar detectors. Some of these are radar based Traffic Monitoring Systems mounted to poles alongside the highway and others are K Band Lane Change Assistants and Blind Spot

Detectors found on some automobiles. When turned on in option mode, helps eliminate excessive alerts from erroneous X and K-bandsources. 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.

Option Select Mode

Press the Menu button to enter Option Select Mode.

Each press of the Menu button changes to the next selectable feature.The Dark (D) button and the Quiet

(Q) button turns the feature ON/OFF or Blinking for example. A button must be pressed within 20 seconds or Option Select Mode will automatically be exited.(See page 13 for chart)


NOTE: Press and hold Menu button to exit Option

Select Mode.



To Change:
















S1: Quiet

D or Q

Remote Control of Dim, City,


to select

Quiet Power Functions


S2: Power

D or Q

Remote Control of Dim, City,

to select

Quiet Power Functions



D = ON

Auto Dim On




Auto Dim Off



D or Q

Tone 1, 2, 3

to select

(3 Different Tone Patterns)








D = ON

ON = X, K, KaAudio Tones




OFF = One Beep During Power Up







X = ON

D = ON

X Band ON



X Band OFF





K = ON

D = ON

K Band ON



K Band OFF






D or Q




to select




D or Q



to select







D or Q

LaserArea 1ON


to select

LaserArea 1OFF




D or Q

LaserArea 2ON


to select

LaserArea 2OFF




D or Q

LaserArea 3ON


to select

LaserArea 3OFF





D = ON










D = ON

Real VOICE® Engaged




Real VOICE®Disengaged




D = ON










D = ON

Battery Saver ON





Battery Saver OFF


Option Select Mode (cont’d)



D or Q

Filter 1, Filter 2, Filter 3


to select





D or Q

Filter 1, Filter 2, Filter 3


to select





D or Q

Alert Periscopes ON


to select

(ON, OFF or Blinking)




D = ON




TFSR = OFF (default)


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 30-60seconds, two beeps are sounded; to show alertness, the driver must press either the City, Menu, or Quiet buttons within3-5seconds. If a button is pressed within3-5seconds, the cycle is repeated.

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


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.





Alert Priority

When two or more signals are received at the same time, the alert priority is:

1. Laser 2. Speed Radar 3. Safety WarningSystem

Example: If X band is alerting, then suddenly a laser signal is detected, the laser warning will override the X band alert.


Safety Warning System

In communities where transmitters are located, the Safety Warning Systemprovides over 60 text messages. When SWSis detected the audio alert is geigercounter-like.

Safety Warning System Text Message

Example: Poor - Road - Surface.

Note: Not all areas have Safety Warning Systemtransmitters.

Intellicord® Ready

The optional INTELLICORD® power cable allows the user to remotely control Power, City, Dim, Quiet and Auto Quiet functions with the press of a button located on the power cable’s plug.


Reset Features

All user features can be reset to factory settings.

•Unplug the Power Cord from the unit.

•Press and hold the Power and Quiet buttons.

•Plug the Power Cord into the unit.

•Wait for 2 beeps.

•Release the Power and Quiet buttons.

Unit is now reset to the following features and settings.

Default factory settings are:

1. S1: (For Intellicord®) Quiet feature

2. S2: (For Intellicord®) Power ON or OFF

3.ADIM: ON (Auto Dim ON)


5. Dim/Dark Mode to full illumination of display.

6.Auto Quiet Mode OFF


8.Vehicle Battery Saver ON

9.Full Power Up sequence

10. Default TONE 3

11. All Bands ON


13. All Laser Windows ON


15. Voice® ON

16. LED Periscopes to BLNK

17. X/K Filter 1

18. Ka Filter 1



Whistler has two features that will assist the driving enthusiast to further identify threats from laser and Ka band radar guns.

Ka RSID (Ka Radar Signal IDentifier)

Identify the difference between the likelihood of a Ka threat vs. the likelihood of a Ka false from another source (possible radar detector). Ka RSID feature will educate you to the common Ka speed radar guns by displaying the nominal police radar frequencies of 33.8GHz / 34.0GHz / 34.3GHz / 34.7GHz / 35.5GHz. Ka alerts that do not fall into the common Ka speed radar windows will be reported only as Ka.

Note: This product is not a frequency counter. The unit will categorize the received Ka signal and select the appropriate information. Treat every Ka alert with caution.

LSID (Laser Signal IDentifier)

Identify the Laser gun’s pulse rate or PPS (Pulses Per Second) that is transmitted by the speed laser gun. LSID may also be used to identify other forms of laser sources such as LACC (Laser Assisted Cruise Control) systems found in some high end vehicles.

If the Laser PPS information displayed is due to another source such as local airports or LACC, LSID allows you to Lock Out this rate from giving you the continuous audio alert during this and any new encounter of the same rate. To Lock Out a PPS, press the Quiet button during the Laser alert. This will place an * on the screen beside the PPS rate and Lock Out this signature ID. Any new encounter with the same Laser Signature ID will provide the display information and two quick beeps.

Note: Common Laser PPS rates used in the USA are 100 / 125 / 130 / 200 / 238 / 380Hz. Other Laser PPS rates used outside the USA include 600Hz.

Caution: Do not lock out a PPS rate if it is close to known speed laser guns.


POPMode Alerts

Because POPMode radar utilizes the same

K or Ka band frequencies, POPMode Alerts will be displayed as regular 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-likepattern. 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 Displays 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-secondaudio warning and the display shows:

After the 3-secondpulse 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.


Your Whistler detector is expertly engineered and designed to exacting quality standards to provide you with reliable, trouble-freeoperation. If your unit has been correctly

installed following the guidelines in this manual, but is not operating optimally, please refer to the troubleshooting guide below.

PROBLEM: No display or audio.

• Check fuse in plug; replace if necessary with a

2 amp, 3AG type.

• Check fuse for lighter socket; replace if necessary.

• Make sure lighter socket is clean.

PROBLEM: Unit alarms when vehicle hits bumps.

• Check for loose lighter socket; tighten and clean.

• Check connections at both ends of the power cord. Substitute another cord to determine if the cord is defective. Return defective cord to the factory.

PROBLEM: Audio alerts are not loud enough.

Cancel Auto Quiet Mode or City Mode.

Check audio level setting (see page 8 ).

If difficulties occur which cannot be solved by information in this Troubleshooting Guide, please call Whistler Customer Service at 1-800-531-0004or visit our F.A.Q. page at www.whistlergroup.com, before returning your unit for service.


During the summer months, avoid prolonged exposure to direct sunlight by removing your unit from the dash when your vehicle is parked for an extended period of time. Do not spray water, cleaners, or polishes directly onto the unit. The spray may penetrate through the openings and damage the unit. Also, do not use any abrasive cleaners on the unit’s exterior.


In Most States YES.

Laser-Radardetectors are legal in every state

(except Virginia and Washington, D.C., which have local regulations restricting the use of radar receivers in any vehicle) when used in automobiles or light trucks (under 10,000 lbs.).

The Federal Highway Administration (FHWA) issued a regulation, effective January, 1994 which prohibits radar and laser detector use in vehicles over 10,000 lbs. Prior to the FHWA regulation, laws existed in New York restricting the use of radar detectors in trucks over 18,000 lbs. and in Illinois in trucks over 26,000 lbs.



This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1)this device may not cause harmful interference,

(2)this device must accept any interference received, including interference that may cause undesired operation.

Important: FCC requirements state that changes or modifications not expressly approved by Whistler could void the user’s authority to operate the equipment.


POPMode is a feature on some radar guns operating on K and Ka bands. When the gun is in POPMode and activated, a brief burst of energy, less that 1/15 of a second, is transmitted and the vehicle’s speed is quickly acquired. A detector without POPMode detection capability cannot respond to this brief transmission.


Laser Facts

It’s well documented that many radar guns cannot reliably provide the speed of a targeted vehicle that is traveling in a group of vehicles. In contrast, a laser gun can target a specific vehicle out of a line of traffic and determine its speed. The advantage of laser over radar in terms of

target identification is the result of the laser gun’s narrow beam. A radar gun’s transmission can cover more than a four-lanehighway at a distance of 1,000 feet, compared with a laser gun’s transmission which covers about 3 feet at the same distance. For best protection, keep these points in mind:

Because the vehicle’s license plate or headlights are the laser gun’s primary targets, mounting the Whistler detector on the dashboard can improve laser detection at short range.

Do not follow closely behind any vehicle you cannot see through. If you can’t see past a vehicle ahead of you, chances are your detector can’t either.

The receiving range of your laser detector will not be the same as a radar detector. Laser guns are most often used at short range.

Whistler Laser-Radardetectors receive all current laser gunswhichoperateatalaserwavelengthof905

+/- 50nm.

Ultra Lyte

LTI 20-20

LTI TruSpeed® S

Laser Ally

Pro LaserI II III

Laser Atlanta® Stealth Mode



Laser Tips


If you are the targeted vehicle, a laser gun can


often determine your speed within a few


seconds after you receive an alert. In this


situation, there is generally no time to safely


adjust your speed. However, if you are traveling


near or behind the targeted vehicle and receive


an alert, response time should be sufficient.


Any laser alert, regardless of duration, requires


immediate action.


Radar Facts


A radar gun operates by transmitting radio


waves at certain frequencies which reflect off


objects and are picked up by the radar gun’s


receiving section. When a radar beam reflects


off a moving target, a measurable frequency


shift occurs. The radar unit converts this shift into


miles per hour to determine your vehicle’s speed.


Currently, the FCC (Federal Communications


Commission) permits operation of traffic radar


guns at X Band (10.500 - 10.550 GHz), K Band


(24.050 - 24.250 GHz), and Ka Band (33.400 -


36.000 GHz).


Note: A radar detector will only alarm if an


officer is transmitting on any one of the above


radar bands.


Other Speed Detection Systems


Several techniques other than radar or laser are


used to measure vehicle speeds. When these


methods are being used, no detector can provide


a warning. These techniques include:


Pacing - A patrol car drives behind you and



matches your driving speed.


Vascar/Aircraft - The police measure the time



takes your vehicle to travel a known distance.



Radar Detector Detectors: VG-2,Spectre

The Interceptor VG-2or simplyVG-2,is one type of microwave receiver used by Police to detect signals radiated by the local oscillator of a radar detector.

Because its purpose is to identify persons driving with radar detectors, these devices are known as a “radar detector detector” (RDD).

An RDD is the primary tool used by the police to identify radar detector equipped vehicles. If caught in a state

or country where detectors are illegal (see page 20), drivers risk losing their radar detector and receiving a fine. In addition, instant-onradar is almost always used in combination with an RDD, leaving unsuspecting motorists vulnerable to receive two tickets; one potential for speeding, and the other for possession of a detector. Note: The newest tool Police have to detect radar detectors is called Spectre. Spectre can detect the majority of undetectable(VG-2)laser/radar detectors on the market.

It is the responsibility of the individual radar detector user to know and understand the laws in your area regarding the legality of the use of radar detectors.