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6

     

REMOVING THE FRONT PANEL 

1. Press the release button on the front       

panel and pull off the front panel. 

 

2. Keep front panel into the case. 

 

INSTALLING THE FRONT PANEL 

To install the front panel, insert the panel 

into the housing and make sure the panel 

is properly installed. Otherwise, 

abnormality occurs on the display or some 

keys will not function properly. 

 

Precautions when handing 

1. 

Do not drop the front panel. 

.

Precautions when handling

 

1.  Do not drop the front panel. 

2.  Do not put pressure on the display or 

control buttons when detaching or 

re-installing the front panel.   

3.  Do not touch the contacts on the front 

panel or on the main unit body. It may 

result in poor electrical contact. 

4.  If any dirt or foreign substances 

adhered on the contacts, they can be 

removed with a clean and dry cloth. 

5.  Do not expose the front panel to high 

temperatures or direct sunlight in 

anywhere. 

6.

Keep away any volatile agents (e.g. 

benzene, thinner, or insecticides) from 

touching the surface of the front panel

7.  Do not attempt to disassemble the front 

panel. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

USING THE DETACHABLE FRONT PANEL 

6

     

REMOVING THE FRONT PANEL 

1. Press the release button on the front       

panel and pull off the front panel. 

 

2. Keep front panel into the case. 

 

INSTALLING THE FRONT PANEL 

To install the front panel, insert the panel 

into the housing and make sure the panel 

is properly installed. Otherwise, 

abnormality occurs on the display or some 

keys will not function properly. 

 

Precautions when handing 

1. 

Do not drop the front panel. 

.

Precautions when handling

 

1.  Do not drop the front panel. 

2.  Do not put pressure on the display or 

control buttons when detaching or 

re-installing the front panel.   

3.  Do not touch the contacts on the front 

panel or on the main unit body. It may 

result in poor electrical contact. 

4.  If any dirt or foreign substances 

adhered on the contacts, they can be 

removed with a clean and dry cloth. 

5.  Do not expose the front panel to high 

temperatures or direct sunlight in 

anywhere. 

6.

Keep away any volatile agents (e.g. 

benzene, thinner, or insecticides) from 

touching the surface of the front panel

7.  Do not attempt to disassemble the front 

panel. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

USING THE DETACHABLE FRONT PANEL 

 

 

 

Summary of Contents for 644UA

Page 1: ......

Page 2: ...of ESP Function y Memory Card Interface y USB Interface y Auxiliary Input Function y Remote Control 1 644UA OWNER S MANUAL Mobile Audio System y PLL Synthesizer Stereo Radio y CD MP3 WMA Player y Auto...

Page 3: ...tes 12 Remote control 14 Specification 15 Trouble shooting 16 Repeating tracks 11 Basic operation 9 2 CONTENTS Installation 3 Take out screw before installation 3 DIN Front Mount Method A 3 Installing...

Page 4: ...es of the unit Then slide the sleeve off the back of the unit 30 Take out screw before installation 3 INSTALLATION Notes y Choose the mounting location where the unit will not interfere with the norma...

Page 5: ...utton to remove the front panel 4 Lift the top of the outer trim ring then pull it out to remove it 4 INSTALLATION 1 Front panel 2 Outer trim ring 3 Sleeve 4 L key 5 R key 6 Mount the sleeve by insert...

Page 6: ...ach side Note The outer trim ring sleeve and the metal strap are not used for method B installation 5 INSTALLATION 5 Insert both of the supplied keys into the slots at the middle left and right sides...

Page 7: ...of the front panel 7 Do not attempt to disassemble the front panel USING THE DETACHABLE FRONT PANEL 6 REMOVING THE FRONT PANEL 1 Press the release button on the front panel and pull off the front pane...

Page 8: ...7 WIRING CONNECTION FOR 60X4W SYSTEM 7 WIRING CONNECTION FOR 60X4W SYSTEM...

Page 9: ...interface 22 DISP button 23 PWR MUT button 24 Auxiliary input jack 25 Reset button 26 Remote sensor 8 OPERATION LOCATION OF KEYS 1 release button 2 tune seek track up 3 Volume knob when rotated SEL bu...

Page 10: ...e RESET FUNCTION Reset button 25 must be activated with either a ballpoint pen or thin metal object 9 OPERATION BASIC OPERATION SWITCHING ON OFF THE UNIT Press PWR MUT button 23 to switch on the unit...

Page 11: ...ase the button PAUSING PLAYING Press PAU button 5 to pause the player Press it again to resume play 10 OPERATION The reset button is to be activated for the following reasons Initial installation of t...

Page 12: ...olume button 3 The selected file can be played by pressing BND LOU ENT button 14 or volume button 3 11 OPERATION PREVIEWING TRACKS Press SCN button 6 to play first several seconds of each track on the...

Page 13: ...please see following recommendations a Use CD RWs with speed 1x to 4x and write with speed 1x to 2x 12 OPERATION 3 DISPLAY INFORMATION Press DISP button 22 to show the following information such as th...

Page 14: ...8x and write with speed 1x to 2x c Do not play a CD RW which has been written for more than 5 times 13 OPERATION C Notes on MP3 files MP3 Version Only 1 The disc must be in the ISO9660 level 1 or leve...

Page 15: ...Scanning Button 15 3 RPT Repeat Button 16 6 DIR Directory Up Button 17 5 DIR Directory Down Button 14 REMOTE CONTROL 1 VOL Volume Up Button Character Select A B 8 9 0 _ For MP3 WMA Operation 2 MUTE P...

Page 16: ...Stereo Separation 25dB AM Frequency Coverage 530 to 1710 KHz IF 450 kHz Sensitivity S N 20dB 36 dBu 15 SPECIFICATION GENERAL Power Supply Requirements DC 12 Volts Negative Ground Chassis Dimensions 17...

Page 17: ...radio station automatic selection does not work The signals are too weak Select a station manually 16 TROUBLE SHOOTING Before going through the checklist check wiring connection If any of the problem...

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