Whistler XTR-520 Bedienungsanleitung PDF herunterladen (Seite 8)

SPEED MONITORING

NOTE: It is the responsibility of the individual

radar detector owner to know and understand the

laws in your area regarding the legality of the use of

radar detectors.

Radar Facts

A radar gun operates by transmitting radio

waves at certain frequencies which reflect off

objects and are then picked up by the radar

gun’s receiving section. When a radar beam

reflects off a moving target, a measurable fre-

quency 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 opera-

tion 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 not alarm if an offi-

cer is not transmitting on any one of the above

radar bands.

POP

™

Mode

POP

™

Mode is a feature on some newer radar

guns operating on K and Ka bands. When the

gun is in POP

™

Mode and activated, a brief burst

of energy, less that 1/15 of a second, is transmit-

ted and the vehicle’s speed is quickly acquired. A

detector without POP

™

Mode detection capabili-

ty cannot respond to this brief transmission. This

detector has the power to report this new gun

where other detectors cannot!

Total Band Protection

™

Complete Band Coverage that detects laser,

radar, VG-2 and safety radar bands.

SPEED MONITORING SPEED MONITORING

21 22

Laser Facts

It’s well documented that many radar guns can-

not 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 tar-

get identification is the result of the laser gun’s

narrow beam. A radar transmission can cover

more than a four-lane highway at a distance of

1,000 feet, compared with a laser transmission

which covers about 3 feet at the same distance.

For best protection, keep these points in mind:

•

Because your vehicle’s license plate or

headlights ar

e the laser gun’s primary targets,

mounting your Whistler detector on the

dashboard can improve laser detection at

shor

t 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 won’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-Radar detectors receive all cur-

rent laser guns which operate at a laser wave-

length of 905 +/- 10mm.

•Pro Laser

™

I II III •LT1 20-20 •Ultra Lyte

Laser Tips

If you are the targeted vehicle, a laser gun can

often determine your speed within a few sec-

onds 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!

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 pro-

vide a warning. These techniques include:

• Pacing - A patrol car drives behind you and

matches your driving speed.

• Vascar/Aircraft - The time it takes a vehicle to

travel a known distance is measured.

WARRANTY INFORMATION

Consumer Warranty

This Whistler Laser-Radar detector is warranted

to the original purchaser for a period of one year

from the date of original purchase against all

defects in materials and workmanship. This limit-

ed warranty is void if the unit is abused, modified,

installed improperly, if the housing has been

removed, or if the serial number is missing. There are

no express warranties covering this product other

than those set forth in this warranty. All express or

implied warranties for this product are limited to the

above time. Whistler is not liable for damages

arising from the use, misuse, or operation of this

product.

NOTE: Any damage to the remote battery or

batter

y leakage, water damage or any physical

damage is not covered under the warranty.

Check with the battery manufacturer about this

warranty.

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