Uniden LRD747 English Owners Manual - Page 21

TROUBLESHOOTING OF YOUR NEW LASER/RADAR DETECTOR 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 LED not on). Unit fails the self test. Weak detection. Inaccurate or erratic detection: Beeps over bumps or rough road. Beeps at same location. Signal strength meter registers, but no audio. The unit bounces against the windshield. • Check the power cord. Be sure the connectors are properly installed. • Be sure ignition key is ON or in the accessory position. • Fuse out. Check and replace. • Check power to lighter socket. • Vehicle electrical problem exists. • Make sure that the volume control is in the ON position. • Clean cigarette lighter socket. • Call Uniden Customer Service Center, (800) 297-1023. • Check angle of unit. Point to the horizon. • Antenna/Sensor is obstructed. Move the unit clear of any obstruction outside the windshield, such as a wiper blade. • Move the unit clear of the window tint. • Loose power cord. Check both connectors. • Power cord is broken. Check and replace. • Check that the power cord is connected at both ends. • Clean cigarette lighter socket. • Falsing because you have passed a motion sensor or alarm. • For highway use, make sure the City Mode is OFF. • Increase the volume. • Reposition the unit so that the bumpers are firmly against the windshield. TROUBLESHOOTING 19