Beltronics LP904 User manual

LASER DEFENSE SYSTEM

NEW

Operating Manual

For LaserPro™904

Model LP904

Ultimate Performance. Proven Technology.

8804_LaserPro904Manual 5/2/02 1:24 PM Page 1 Rev 7 Mac

Congratulations on your

purchase of BEL LaserPro™904.

BEL LaserPro™904

is designed as the ultimate in

traffic Laser defense given that it

produces countermeasures

beyond the function of

traditional Laser detectors by

blocking the Laser beam that is

targeted at your vehicle.

LaserPro™904 is comprised

of sophisticated, exterior

mounted front and rear Laser

transceivers. You can operate

LaserPro™904 as a stand-alone

unit, and know you’re protected

beyond traditional “Laser

detectors”, or you can

supplement LaserPro™904’s

capabilities with a dash or

Remote Installation

Radar/Laser/Safety detector

from BELTRONICS.

Please Note:

Operating BEL LaserPro

™

904 is

not a license to speed. Observe

the local speed limits and laws

governing the user of a Laser

defense product. Use of

LaserPro

™

904 is prohibited in

some states. Check your local

and state laws before use or call

BELTRONICS:800-939-7373.

The Three transceivers of

LaserPro

™

904 must have a

clear view of the road in front

and behind, and must be

installed level to the road in

order to work properly. Ensure

your BEL LaserPro

™

904 is

correctly positioned after it is

installed.

IMPORTANT Notice

It is recommended that

LaserPro™904 be professionally

installed. New car dealers, and

many reputable auto shops or

car stereo stores should be able

to install LaserPro™904. Call

BEL toll-free at 800-737-9393,

for the name of an authorized

dealer near you.

Installing LaserPro™904 without

expertise in automotive

electronic installations could

cause personal injury, or damage

to the unit or your vehicle. If

your vehicle is damaged during

installation, its safety systems

may be compromised, which

could cause personal injury or

property damage.

Congratulations and Important Notice

8804_LaserPro904Manual 5/2/02 1:24 PM Page 2 Rev 7 Mac

Quick Overview of Functions and LED Display . . . . . . . 4

Button Functions/Explanation of LEDs

Power/Volume Button . . . . . . . . . . . . . . . . . . . . 5

Bright/Dim/Dark Modes . . . . . . . . . . . . . . . . . . . . 5

Disarm Button . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Explanation of LEDs . . . . . . . . . . . . . . . . . . . . . . 5

Power On Indicator . . . . . . . . . . . . . . . . . . . . . . . 5

Front/Rear Laser Alert Indicators . . . . . . . . . . . . . . . . . . 5

General Operation/Disarm Function . . . . . . . . . . . . . 6

How Traffic Laser (LIDAR) Operates . . . . . . . . . . . . . 7

Alert and Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . 10

Questions and Answers . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Consumer Warranty . . . . . . . . . . . . . . . . . . . . . . . 12

Warranty Service . . . . . . . . . . . . . . . . . . . . . . . . . 13

Post Warranty Service . . . . . . . . . . . . . . . . . . . . . 14

Table of Contents

8804_LaserPro904Manual 5/2/02 1:24 PM Page 3 Rev 7 Mac

Quick Overview of Functions and LED Display

1. P/V Button: Power and

Volume button.

2. DRK Button: Press once to “dim”

the ALERT LED display; press a second

time to cancel illumination of the

ALERT LED display. The GREEN Power

On LED will illuminate in “dim” mode

to confirm LaserPro™ 904 is

operational. Factory default is full

brightness.

3. DIS Button: Press during a Laser

encounter to stop LaserPro™ 904

from continuously blocking the

return of the Laser signal once

an alert is received.

4. Red “F” LED: illuminates to

confirm a Laser alert from the

front.

5. Red “R” LED: illuminates

to confirm a Laser alert from

the rear.

6. Three Blue LEDs: illuminate in

conjunction with the “F” or “R” LED to

confirm a Laser alert.

7. Audio Speaker: All audio alerts are

emitted from this opening.

8. Green Power On LED: Illuminates to

confirm LaserPro™ 904 is operational.

8804_LaserPro904Manual 5/2/02 1:24 PM Page 4 Rev 7 Mac

Button Functions

1. P/V Button: Press

once to activate power to

LaserPro™904*. Press and

hold to cycle the volume

control.

Depending upon the type of

installation, LaserPro

™

904 may

be powered ON when your

vehicle ignition is ON; and

turned off, when your vehicle

ignition is OFF

2. DRK (Dark) Button: Press

once to “dim” the LED display.

Press again to completely cancel

illumination of the ALERT

display. In “dark” mode, power

to the unit is confirmed by the

“dim” illumination of the GREEN

Power On LED.

3. DIS – Disarm Button: Once

a Laser alert is displayed via the

red and blue ALERT LEDs,

whether from the front or rear,

press the DIS button to disarm

LaserPro™904 from further

“blocking” traffic Laser signals.

BELTRONICS recommends that

the DIS button be pressed

within five seconds of a Laser

alert. Five seconds provides you

enough time to adjust your

vehicle speed and avoid any

undue attention you may draw

to yourself and your vehicle.

If you choose, you can rearm

LaserPro™904 by pressing

the DIS button a second time

(see page 6).

Explanation of LEDs

1.Power On Indicator:

illuminates GREEN to confirm

LaserPro™904 has power and is

operational. This same LED

illuminates in “dim” mode when

you have activated either the

“dim/dark” function.

Green LED also flashes during

the DISARM mode.

2. 3 Blue LEDs: Illuminate to

confirm a Laser alert. Distinct

patterns confirm if the alert is

from the front or rear.

3. “F” Red LED: Illuminates red

to confirm a Laser alert from the

front of your vehicle.

4. “R” Red LED: Illuminates red

to confirm a Laser alert from the

rear of your vehicle.

Button Functions/Explanation of LEDs

8804_LaserPro904Manual 5/2/02 1:24 PM Page 5 Rev 7 Mac

General Operation

Once you have BEL LaserPro™904

properly installed, you’re ready for

unencumbered travel. Assuming

LaserPro™904 is “hard wired” into

your vehicle’s electrical system,

each time you start your vehicle,

LaserPro™904 will start up.

Conversely, each time your shut

your vehicle off, LaserPro™will

shut down. When an alert is

received, LaserPro™904 will

confirm a traffic Laser encounter

from

the front or rear. A Laser signal

targeted at the transceivers

mounted at the front of your

vehicle will trigger an urgent

audible alert and the illumination

of the red “F” (Front) LED,

coupled with the three blue LEDs

ramping left to right; conversely, a

signal targeted at the rear

transceiver will set-off an urgent

audible alert, coupled with the

illumination of the red “R” (Rear)

LED, and the “ramping” of the

blue LEDs from right to left.

Generally, a Laser alert is very

quick. Always remember to

respond to any alert LaserPro™

904 displays.

Once an alert is received, it is

recommended that you confirm

your vehicle’s legal speed and

Disarm your LaserPro™904

from further returning a

“blocking” signal to the Laser

source. Five seconds should be

ample time for you to:

a) Verify your vehicle speed;

b) Press the DIS (DISARM)

button once you’re in

compliance with the

posted speed limit.

Disarm Function

Pressing DIS (Disarm) will

terminate the LaserPro™904

transceivers from further

returning a blocked signal to the

Laser gun, and make certain

countermeasures do not

interfere with the officer’s traffic

Laser signal.

Once the DIS (DISARM) button

has been pressed, LaserPro™

904 will display a flashing green

power LED. This flashing green

LED serves to confirm that

LaserPro is no longer “blocking”

the Laser signal. This “monitoring”

mode will last for 60 seconds.

General Operations/Disarm Function

8804_LaserPro904Manual 5/2/02 1:24 PM Page 6 Rev 7 Mac

”

Any signal received while in this

mode will result in an alert –

BUT NO “BLOCKING” OF THE

LASER SIGNAL WILL OCCUR.

When no Laser signal has been

detected for 60 seconds, a

short “beep” will be heard,

coupled with FULL illumination

of the green power on LED. This

FULL illumination of the power

on LED confirms that the front

and rear transceivers have been

re-armed and are ready to

“block” future Laser

encounters.

Re-arming LaserPro 904

Once you have pressed the DIS

button, you can “rearm” the

blocking function without

waiting the 60 second time

period. To “rearm” LaserPro™

904 BEFORE the automatic 60

second time out expires, simply

press the DIS button a second

time. LaserPro™904 will be

ready to “block” the Laser

signals.

Note: If the LaserPro™904 is not

disarmed during a Laser encounter

it will continue to return blocking

signals whenever receiving further

Laser transmissions.

How Laser (LIDAR) Operates

Laser speed detection is actually

LIDAR (Light Detection and

Ranging). LIDAR guns project a

narrow beam of invisible,

infrared light. The signal is a

series of very short infrared light

energy pulses that move in a

straight line, reflecting off your

car and returning to the gun.

LIDAR use the light pulses to

measure the distance to a

vehicle. A very accurate speed

reading is calculated by

comparing the change in

distance over time.

LIDAR (or Laser) is a newer

traffic monitoring technology

and is not as widespread as

conventional radar; therefore,

you may not encounter Laser on

a daily basis. And unlike radar

detection, Laser detection is not

prone to “false” alarms.

Because LIDAR transmits a much

narrower beam than does radar,

it is much more accurate in its

ability to distinguish between

targets and is also more difficult

to detect. As a result, even the

briefest Laser alert should be

How Traffic Laser Operates

8804_LaserPro904Manual 5/2/02 1:24 PM Page 7 Rev 7 Mac

taken seriously. There are

limitations to LIDAR equipment.

LIDAR is much more sensitive to

inclement weather conditions

than RADAR, and a LIDAR gun’s

range will be decreased by

anything affecting visibility such

as rain, fog, or smoke.

A LIDAR

gun cannot operate through

glass and it must be stationary to

get an accurate reading. Because

LIDAR must have a clear line of

sight and is subject to cosine

error (an inaccuracy which

increases as the angle between

the gun and vehicle increases)

police typically use LIDAR

equipment parallel to the road or

from an overpass within 500-

1000 feet from targeted vehicle.

LIDAR can be used day or night.

Loss Of Connection Alert

BEL LaserPro™904 comes

complete with built-in self-

diagnostic circuitry, and error

indications.

During the start-up sequence,

the display will make certain

that all components are

connected and communicating

properly to ensure optimum

performance.

On initial start-up, a power-on

test sequence occurs. During

this time communications

between the front transceivers,

the interface (the “hub”

installed under your vehicle’s

dash which the transceivers and

control display are connected)

and the rear transceiver are

tested. Finally, the interface and

control display communications

are tested. If everything is

working correctly, the green

power-on indicator

will remain “on”.

Error Indications

LaserPro™904 is in constant

communication with each of its

components. If at anytime a

problem occurs that could

impede performance, (i.e. cable

is disconnected) an error

message will occur.

Alerts and Errors

8804_LaserPro904Manual 5/2/02 1:24 PM Page 8 Rev 7 Mac

Front Transceiver Error

If one, or both of the front-

mounted transceivers are not

communicating properly or

become disconnected, the red

“F” LED (front) on the display

will illuminate fully coupled with

an audible tone. This alert will

continue until the unit is turned

off, indicating that service is

required.

Rear Transceiver Error

If the rear transceiver is not

communicating properly, or

becomes disconnected, the

red “R” LED (rear) on the

display will illuminate fully,

coupled with an audible tone.

This alert will continue until

the unit is turned off. Contact

your installer for servicing.

Specifications

Operating Band

Laser 904nm, 33 MHz bandwidth

Laser Detection

Quantum Limited Video Receiver

Multiple Laser Sensor Diodes (6F, 3R)

Laser Transmitter

Multiple Laser-Blocking Diodes (16F,

8R)

Display Type

Hi-visible LED indicators

Power Requirement

12VDC, Negative Ground

Dimensions (inches)

Display/Controller: 2.25 x 2.0 x

.66

Front Laser units: 4.65 x 1.8 x

.08

Rear Laser unit: 6.0 x 1.0 x .65

Specifications

8804_LaserPro904Manual 5/2/02 1:24 PM Page 9 Rev 7 Mac

Problem

LaserPro™ 904 does not appear

to be ON

Solution:

• Check that the P/V control is

turned ON.

• Check that the vehicle ignition is ON.

• Check all connections.

Problem

LaserPro™ 904 gave no alert

when a police car was in sight

Solution:

• Officer may not have the Laser

unit turned on

• Officer may have been targeting

another vehicle

• Officer may be using a radar

gun, not a Laser gun.

Problem

The control display feels warm to

the touch.

Solution:

• It is normal for the display to

feel warm

Problem

LaserPro™ 904’s power-on

sequence reoccurs while you are

driving

Solution:

• A loose power connection can

cause LaserPro™ 904 to be

briefly disconnected, and will

trigger the power-on sequence.

Problem

During the start-up sequence, the

LED labeled “F” continues to flash,

and a warning sound is heard.

Solution:

• The front transceivers are not

communicating to the interface.

Check all connections, or

contact your installer.

Problem

During the start-up sequence, the

“R” indicator (LED) flashes and a

warning tone is heard.

Solution:

• The rear transceiver is not

communicating with the

interface. Check all connections,

or contact you local installer.

Troubleshooting

8804_LaserPro904Manual 5/2/02 1:24 PM Page 10 Rev 7 Ma

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