Uniden LRD 6250SWS, LRD 6275WS, LRD 6275SWS User Manual

INCLUDING LED PANEL

OF YOUR REFERENCE GUIDE

CONTENTS

Introduction .................................2

Feature Highlights ...............................2

Included with Your Radar Detector ..................3

Speed Detection ..............................4

Speed Detection Systems ..........................4

Radar .........................................4

Laser .........................................5

Controls.....................................6

Controls and Functions ...........................6

LED Panel......................................7

Installation ..................................8

Helpful Tips ....................................9

Adjusting the Windshield Mounting Clip .............10

Connecting the Power ...........................11

Replacing the Fuse ..............................12

Operation ..................................13

Power On.....................................13

Volume Control ................................13

Memory Retention Feature........................14

Full Warning ..................................14

Audio Alert Only Operation .......................14

Visual Alert Operation ...........................15

Auto Mute Operation .......................15

City Operation .................................16

LED Signal Strength Meter in City Mode .............17

Safety Warning System Operation ..................17

Care and Maintenance ...........................18

Troubleshooting .............................19

Specifications ...............................20

NOTE: Foldout the

back cover of this

reference guide to

refer to the Controls

& Functions page.

CONTENTS

INTRODUCTION

Welcome to the world of sophisticated, early warning laser/radar

detection. You have purchased one of the most advanced

laser/radar detectors available. The LRD 6250SWS/LRD6275SWS

is a completely integrated laser/radar detector. It responds to the

X-, K-, and Ka-SuperWideband radar guns in use today and also

provides 360° detection of the latest speed monitoring system 

the laser gun. The built-in Safety Warning System (SWS) is

capable of detecting a hazardous warning signal transmitted on

the K-band.

The LRD 6250SWS/LRD 6275WS provides distinct visual and

audio alerts to warn you of the presence of X-, K-, and

Ka-SuperWideband radar signals as well as IR laser signals. You

can drive with confidence when you bring along the

LRD 6250SWS/LRD 6275SWS.

The LRD 6250SWS/LRD 6275SWS employs Super Stalker

Technology (SST), a state-of-the-art electronic system designed to

make this radar detector invisible to all current VG-2 radar

detector detectors. The LRD 6250SWS/LRD 6275SWS also uses the

new D.R.O. (Dielectric Resonant Oscillator) and E.D.I.T.

(Electronic Data Interference Terminator) circuitry, giving

more reliable performance.

We are certain that you will enjoy the LRD 6250SWS/

LRD 6275SWS, and to ensure that you get the most from its

features, please read this Reference Guide carefully before

TO YOUR NEW LASER/RADAR DETECTOR

installing and operating the unit.

FEATURE HIGHLIGHTS

•

360° Laser Detection

•

Safety Warning System

•

Complete 4-Band Coverage

•

6 Alarm Tones

•

Super Wideband

•

VG-2 Undetectable

•

K/Ka Priority

•

Pulse Detection

INTRODUCTION

•

Signal Strength Meter

•

Warning Lights

•

Visual Only Mode

•

Auto Mute Mode

•

Audio Only Mode

•

Self Test

•

Memory Retention Feature

•

City and Highway Modes

To get the most from

your laser/radar

detector, please read

this Reference

Guide thoroughly.

INCLUDED WITH YOUR RADAR DETECTOR

Reference Guide

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Windshield Clip

INTRODUCTION

WARNING

If any of these items

are missing or damaged,

contact your dealer

immediately. Be sure

to complete and mail

the product registration

card. Included with

your radar detector.

Printed Material

Straight Power Cord

LRD 6250SWS Only

Fuses and Spare Parts

Coiled Cigarette Adapter

LRD 6275SWS Only

SPEED DETECTION SYSTEMS

A speed detection device (often called a radar gun) sends out

either a microwave signal or beam of light. When this signal

reaches its target, part of the signal is reflected or bounced back

toward the emitting gun. The time required for the signal to leave

the gun, bounce off an object, and return is used to determine a

vehicles distance and speed.

RADAR

▼

Radar (Ra

detecting the speed of moving objects by reflected pulses of high

frequency radio waves. There are three radar bands

(microwave frequencies): X band (10.49 to 10.56GHz), K band

(24.04 to 24.26GHz), and the superwide Ka band (33.4 GHz to

36 GHz).

The X band was the first used for traffic, followed by the K band

which is harder to detect (most instant-on radar is K band). The

Ka band was introduced in 1987, and widened to Ka SuperWideband

in 1990 by the FCC. The LRD 6250SWS/LRD 6275SWS monitors

all current radar bands including the entire Ka SuperWideband.

The radar beam is cone shaped  the narrower the beam, the

greater the resolution. A moving vehicle reflects radar signals

back towards the radar gun. The LRD 6250SWS/LRD 6275SWS

can detect the signals emitted by radar guns, and it will sound an

audio alarm and flash a warning indicator. For continuously

transmitting radar, use the LRD 6250SWS/LRD 6275SWS to get

accurate detection from a safe distance. Weak signals cause the

audio and visual alarms to sound intermittently, but as the signal

gets stronger (the closer you get to the radar gun), both alarms

increase in intensity.

Instant-on transmitters fire a short radar pulse beam at a vehicle

and instantly read its speed. When detected at a distance, you will

hear a few beeps and see the strength meter begin to light.

Instant-On radar signals are the most difficult to detect at a safe

IMPORTANT INFORMATION ABOUT YOUR NEW LASER/RADAR DETECTOR

distance because they are transmitted only when directed at you

or at a vehicle directly ahead of you.

dio Detection and Ranging) is a microwave system for

SPEED DETECTION

▼

LASER

To be safe, do not

ignore any warnings.

Although there are

other types of radar

signals that may

cause interference,

when the

LRD 6250SWS/

LRD 6275SWS detects

a signal, be on the

alert. It is important

to exercise caution at

all times.

Included with

Your Radar

Detector

The Laser Speed Detection System, also called LIDAR (for Li

etection and Ranging), uses a laser gun that emits infrared light

pulses just outside the spectrum of visible light. Each reflected

pulse measures the speed of the object coming toward or going

away from the laser gun.

Unlike radar, the laser gun emits a very narrow beam of light, so

it can pinpoint a speeding car within traffic. The infrared beam

spreads out, but slowly and over a longer distance than a

radar signal.

The laser gun can acquire a speed reading as quickly as 0.3

seconds, sometimes less. However, since it isnt easy to accurately

aim at and hit a moving target, an operator often moves the laser

gun in several directions to get a reading. So laser signals

are emitted continuously for a few seconds for each

speed measurement.

The LRD 6250SWS/LRD 6275SWS can detect these light pulses

from as far away as 1.5 miles, which is about four times the

effective range of a laser gun (2,000 feet), and about ten times its

average operating range (500-800 feet).

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SPEED DETECTION

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