Rocky Mountain Radar Scrambler User Manual

SCRAMBLER

IS ACTIVATED

Rocky Mountain Radar

Radar and Laser Scramblers

Activation Manual

SPECIFICATIONS:

Radar Scrambler:

Frequencies: 8.0-38.2 GHz

Antenna: Dual ridge cast waveguide

Mixer: Custom MM wave Schottky

Doppler: FM Chirp 500-9,000 Hz

Lidar Scrambler:

Full laser coverage using asynchronous pulse
position modulation to confuse the lidar computer.

How does it work?

The Rocky Mountain Radar scramblers are full-featured
radar and laser scramblers combining active laser and
passive radar scrambling capabilities.
The radar jamming circuit mixes a Doppler FM chirp with
the incoming police radar signal and reflects it back to the
radar gun. The computer in the radar gun must receive
eight identical, consecutive readings before it will display

your speed. All the different speeds contained in the FM
chirp confuse the computer in the radar gun so it does not
display any speed. This effect duplicates the normal
operation that the officer usually sees.

Since it is normal to occasionally lose the target speed, the
officer is not suspicious. Reasonable care should be used
as flagrant violators could still be caught with an
estimated speed.

The laser scrambling circuit transmits a series of pulses at
the same wavelength used by the police laser guns (Lidar),
which are electronically timed at about 100 feet apart.
When the pulses pass through the windshield they will
lose up to 50% of their power. The power output is four to
eight times that needed to trigger the detector in the laser
gun.

Lidar sends out laser pulses and measures how long it
takes to hit your car and come back. From the speed of
light it can determine your range. It sends out several
more pulses and calculates your speed from the change in
distance over time. The Rocky Mountain Radar
scramblers only allow the Lidar to see up to 100 feet so it
is unable to calculate your speed.

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SCRAMBLER ACTIVATION:

DIM

MUTE

CITY

RMR-C450

SCRAMBLER ON/OFF: POWER OFF THE UNIT.
PRESS AND HOLD THE CITY BUTTON DOWN
WHILE TURNING POWER BACK ON UNIT.

CITY

VOLUME ON/OFF
THUMBWHEEL

P XC234 T

/

WHEN SCRAMBLER SWITCH IS ACTIVATED
THE SCRAMBLER TEST WILL BE INLCLUDED
IN THE START UP SEQUENCE

All scramblers are factory set to the On position.

Unless otherwise noted.
Scrambler: To turn the scrambler on/off, review figure A
and B to determine which model you own. For figure A,
use a paper clip or other small pin to switch scrambler on
or off. The switch is located through the slot opening
according to the diagram. For figure B, Power off the unit,
press and hold the City button down while turning power
back on the unit.

If the scrambler is on the “T” LED light will be included

in the start up sequence. If the scrambler is off the “T”

LED light will not be included in the start up sequence.

The “T” LED light is the test diagnostics for the

scrambler.

SCRAMBLER OPERATION:

Drive normally. When the detector sounds an alert, take
your foot off the gas, check your speed, adjust if
necessary, and resume driving. Do not apply brakes unless
you are grossly exceeding the speed limit. The scrambler
will disable the radar long enough for you to adjust speed
safely, if necessary.

Rocky Mountain Radar does not condone the use of
excessive speed on the highways, nor does it endorse
breaking the speed limit laws of the United States of
America. Please drive safely when using this or any
other electronic product in your car.

Fig A. RMR-C430

Fig B. RMR-C450

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IS IT LEGAL?

The Rocky Mountain Radar scramblers conform to all FCC
rules and regulations. Part 15 of the FCC code regulates
consumer products that may leak or transmit radio frequency
energy into the atmosphere. Since the scramblers are not
transmitters, these sections do not apply.
The radar scrambler is a reflective receiver and has no
emissions. It does not transmit, but uses the police radar gun’s
own signal as a carrier of its information.
The laser scrambler transmits a series of light pulses. There are
no laws regarding the transmission of invisible light.

Frequently Asked Questions

The Rocky Mountain Radar scramblers are designed to give
you radar and laser scrambling from the front half of the
car.

Can I test it with roadside trailer radars?

The trailers you see on the side of the road that show your speed
are not legal to use to write tickets. They do not contain the
sophisticated sampling computers that are in police radar guns.
Since our units confuse the computer and there is none, they
will not work reliably against the trailers.

Can the police detect it?

The radar and laser scramblers do not have RF emissions and
cannot be detected.

What states are they legal in?

The Rocky Mountain Radar scramblers are not legal in
Colorado, Utah, California, Nebraska, Oklahoma, Minnesota
(unless the switchable scrambler feature is set to off) and
Virginia. The Rocky Mountain Radar detectors are not legal in
commercial vehicles in most states. Use caution in these states.

What is Punch-Through?

The signal reflected by the car gets stronger the closer the target
is to the radar gun. The Rocky Mountain Radar scrambler uses
the radar signal as a carrier and reflects it through a high-gain
antenna. It will work only as long as the scrambling signal is
greater than the signal from the target. Punch-through is when
these signals are equal or within 50-200 feet.

What is the effective range?

The radar scrambler works at four to six times the range of the
radar gun. The laser scrambler is effective at more than two
times the Lidar range.

Important information:

When driving in states that ban scramblers – turn off
the scrambler function. Detectors are legal in all states
except Virginia and Washington D.C. With the
scrambler off, this unit is only a detector.

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