Page 3 - CONTENTS
1 CONTENTS I ntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Feature Highlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Included with Your Radar Detector . . . . . . . . . . . . . . . . . . 3 Speed Detection . . . . . . . . . . . . . . . . . . ...
Page 4 - INTR
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 747/LRD 757 is a completely integrated laser/radar detector. It responds to the X-, K-, and Ka-SuperWideband radar guns in use...
Page 6 - SPEED
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 of...
Page 8 - CONTR
CONTROLS AND FUNCTIONS 1. Clip Release — Press the clip release button to remove the LRD 747/LRD 757 from the windshield mounting clip. 2. Rear and Side Laser Detector Lense — For rear and side detection of laser signals. 3. Press the city button to help reduce X-band false alarms while driving in t...
Page 10 - INST
INSTALLATION The LRD 747/LRD 757 uses a highly sensitive horn-type antenna and IR laser sensor to receive laser/radar signals. Its sensitivity and range depend on the method of installation and the direction of the antenna/sensor in relation to the signal source. The inherent nature of radar waves m...
Page 15 - OPER
OPERATION You are now ready to enjoy the convenience and security of your LRD 747/LRD 757. Please read this section of the Reference Guide carefully to familiarize yourself with the basic operation of this unit. POWER ON Turn the volume control to switch on the power. When you power up the LRD 747/L...
Page 20 - CARE
CARE AND MAINTENANCE The LRD 747/LRD 757 is designed to give you years of trouble-free service. There are no user-serviceable parts inside, and, except for the fuse, no maintenance is required. To keep your detector in new condition, follow these important suggestions: • Never leave the LRD 747/LRD ...
Page 21 - TROUBLESHOOTI
TROUBLESHOOTING If your LRD 747/LRD 757 does not perform up to expectations, try the suggestions listed below. If you cannot get satisfactory results, call the Uniden Customer Service Center at (800) 297-1023, 7:00 a.m. to 7:00 p.m. Central Time, Monday through Friday. Unit does not operate (Power L...