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Summary of Contents for Boss Audio Systems 644UA
- Page 2 644UA 644UA OWNER’S MANUAL OWNER’S MANUAL Mobile Audio System Mobile Audio System PLL Synthesizer Stereo Radio PLL Synthesizer Stereo Radio CD/MP3/WMA Player CD/MP3/WMA Player Automatic Memory Storing Automatic Memory Storing Full Detachable Panel Full Detachable Panel Preset Equalization Preset Equalization...
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Page 3: Table Of Contents
CONTENTS CONTENTS Installation ........... 3 Installation ........... 3 Repeating tracks ....... 11 Repeating tracks ....... 11 Playing tracks in random ....11 Playing tracks in random ....11 Take out screw before installation ..3 Take out screw before installation ..3 DIN Front-Mount (Method A).... -
Page 4: Installation
INSTALLATION INSTALLATION Notes: Notes: TAKE OUT SCREW BEFORE INSTALLATION TAKE OUT SCREW BEFORE INSTALLATION Choose the mounting location where Choose the mounting location where Before install the unit, please remove the Before install the unit, please remove the the unit will not interfere with the normal the unit will not interfere with the normal two screws. -
Page 5: Removing The Unit
INSTALLATION INSTALLATION to fit your vehicle’s mounting area. Then to fit your vehicle’s mounting area. Then use the supplied hardware (Tapping use the supplied hardware (Tapping Screw and Plain Washer) to attach the Screw and Plain Washer) to attach the other end of metal strap to a solid metal other end of metal strap to a solid metal part of the vehicle under the dashboard. -
Page 6: Din Rear-Mount (Method B)
INSTALLATION INSTALLATION Note: The outer trim ring, sleeve and the Note: The outer trim ring, sleeve and the 5. Insert both of the supplied keys into the 5. Insert both of the supplied keys into the metal strap are not used for method B metal strap are not used for method B slots at the middle left and right sides of slots at the middle left and right sides of... -
Page 7: Using The Detachable Front Panel
Precautions when handing Precautions when handing USING THE DETACHABLE FRONT PANEL USING THE DETACHABLE FRONT PANEL Do not drop the front panel. Do not drop the front panel. REMOVING THE FRONT PANEL REMOVING THE FRONT PANEL Precautions when handling Precautions when handling 1. -
Page 8: Wiring Connection
WIRING CONNECTION WIRING CONNECTION FOR 60X4W SYSTEM FOR 60X4W SYSTEM... -
Page 9: Operation
OPERATION OPERATION LOCATION OF KEYS LOCATION OF KEYS release button release button 14. BND/LOU/ENT button 14. BND/LOU/ENT button (tune/seek/track up) (tune/seek/track up) (tune/seek/track down) (tune/seek/track down) 3. Volume knob (when rotated) 3. Volume knob (when rotated) 16. 4 SHF button 16. -
Page 10: Basic Operation
OPERATION OPERATION BASIC OPERATION BASIC OPERATION SET THE CLOCK SET THE CLOCK Press the DISP button (22) until the clock Press the DISP button (22) until the clock SWITCHING ON/OFF THE UNIT SWITCHING ON/OFF THE UNIT is shown on the display. Then hold the is shown on the display. -
Page 11: Radio Operation
OPERATION OPERATION The reset button is to be activated for the The reset button is to be activated for the - Program scanning - Program scanning following reasons: following reasons: Press AS/PS button (10) shortly to scan Press AS/PS button (10) shortly to scan Initial installation of the unit when all Initial installation of the unit when all preset station. -
Page 12: Previewing Tracks
OPERATION OPERATION “Searching track directly” => “Searching “Searching track directly” => “Searching PREVIEWING TRACKS PREVIEWING TRACKS Directory or File Name”=> “Navigation” Directory or File Name”=> “Navigation” Press SCN button (6) to play first several Press SCN button (6) to play first several seconds of each track on the current disc. -
Page 13: Usb Play Operation
OPERATION OPERATION 3) DISPLAY INFORMATION 3) DISPLAY INFORMATION The operation is the same with the MP3 The operation is the same with the MP3 Press DISP button (22) to show the Press DISP button (22) to show the operation described above. If in other operation described above. - Page 14 OPERATION OPERATION b. Use CD-Rs with speed 1x to 8x and b. Use CD-Rs with speed 1x to 8x and write with speed 1x to 2x. write with speed 1x to 2x. c. Do not play a CD-RW which has c.
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Page 15: Remote Control
REMOTE CONTROL REMOTE CONTROL 1. VOL+: Volume Up Button (Character Select (A, B~8,9,0, _,-,+) For MP3/WMA Operation) 1. VOL+: Volume Up Button (Character Select (A, B~8,9,0, _,-,+) For MP3/WMA Operation) MUTE: Power ON/OFF/MUTE Button MUTE: Power ON/OFF/MUTE Button 3. SELECT: Sound Mode Select Button (Character Shift Right For MP3/WMA Operation) 3. -
Page 16: Specification
SPECIFICATION SPECIFICATION GENERAL GENERAL Power Supply Requirements Power Supply Requirements : DC 12 Volts, Negative Ground : DC 12 Volts, Negative Ground Chassis Dimensions Chassis Dimensions : 178 (W) x 160 (D) x 50 (H) : 178 (W) x 160 (D) x 50 (H) Tone Controls Tone Controls Bass (at 100 Hz) -
Page 17: Trouble Shooting
TROUBLE SHOOTING TROUBLE SHOOTING Before going through the checklist, check wiring connection. If any of the problems Before going through the checklist, check wiring connection. If any of the problems persist after checklist has been made, consult your nearest service dealer. persist after checklist has been made, consult your nearest service dealer.
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