Page 2 - INSTALLATION; Preparation
2 XD642W INSTALLATION Preparation TYPICAL FRONT-LOAD DIN MOUNTING METHOD Please read entire manual before installation. Before You Start • Disconnect negative battery terminal. Consult a qualified technician for instructions.• Avoid installing the unit where it would be subject to high temperatures...
Page 3 - Wiring Diagram
3 XD642W INSTALLATION Wiring Diagram FUSE When replacing the fuse, make sure new fuse is the correct type and amperage. Using an incorrect fuse could damage the radio. The XD642W uses one10 amp ATM fuse located beside the wiring connector.
Page 4 - OPERATION; Control Locations
4 XD642W OPERATION Control Locations Release Band/Play/Pause Volume Mode Preset 4 Preset 1/Repeat Preset 5 Preset 2/Random Preset 3/Intro Eject Preset 6 123456789 1011 EQ Loudness Display Tuner Scan Mute Local/Distance Auto Store/Preset Scan Power Tune/Track Down Tune/Track Up 12131415161718192021 ...
Page 5 - General Operation; nn
5 XD642W OPERATION General Operation Press RELEASE and pull away from the left side to remove. To re-install, insert right side of faceplate first then push left side to secure. Remove trim ring and install supplied #1 x 7/32” Phillips head screw through left side of mounting frame into faceplate. ...
Page 6 - ll
6 XD642W OPERATION General Operation In tuner mode, press and hold DISP then press TUNE ll to select function priority display. “FREQ” will momentarily appear in the display. Note:"FUNC" will appear in CD or AUX modes.Radio frequency (tuner mode), CD track/elapsed time (CD mode) or AUX (...
Page 8 - Tuner Operation
Press TUNE nn or TUNE ll momentarily to seek the next strong station. Press TUNE nn or TUNE ll for more than 2 seconds, then release. "MANUAL" will momentarily appear in the display. Press TUNE nn or TUNE ll momentarily to move radio frequency up or down one step at a time. Press and hold...
Page 9 - Weatherband Tuner Operation
9 XD642W OPERATION Press TUNE nn or TUNE ll momentarily to seek the next weatherband station. Press preset 1-6 or BAND to directly access the 7 weatherband stations. Refer to the table below. Weatherband Tuner Operation Manual Tuning Direct Tuning Weatherband Stations - Direct Tuning Table Butto...
Page 10 - CD Player Operation
10 XD642W OPERATION Insert CD Eject CD Track Select Fast Forward and Reverse Pause Intro Repeat Random CD-R/CD-RW Compatibility With the label facing up, insert a standard size CD into the CD slot. The CD will automatically begin playback. Press EJECT to eject the CD. The unit will change to previo...
Page 11 - WARRANTY; Limited One Year Warranty
XD642W WARRANTY Limited One Year Warranty This warranty gives you specific legal rights. You may also have other rights which vary from state to state. Dual Electronics Corp. warrants this product to the original purchaser to be free from defects in material and workmans...
Page 12 - Specifications
12 XD642W OPERATION Frequency response: 10Hz-20kHz Channel separation @ 1kHz: >65dB D/A converter: 1 Bit Tuning range: 87.5MHz-107.9MHz Usable sensitivity: 8.5dBf 50dB quieting sensitivity: 10dBf Stereo separation @ 1kHz: 40dB Frequency response: 30Hz-13kHz Tuning range: 530kHz-1710kHz Usable se...
Page 13 - Troubleshooting
XD642W OPERATION 13 Troubleshooting Problem Cause Action Unit will not turn on (no power) Yellow wire not connected or incorrect voltage Red wire not connected or incorrect voltage Check connections for proper voltage (11~16VDC) Black wire not connecte...