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CONTENTS
Precautions................................................................................................................................................. 1
How to Handle Discs.............................................................................................................................. 1
Lithium Battery Cell Warnings................................................................................................................ 1
Installation .................................................................................................................................................. 2
Prepare Radio........................................................................................................................................ 2
Mount Radio....................................................................................................................................... 2-3
Wiring Connections................................................................................................................................ 3
Removal of the Main Unit .......................................................................................................................3
Control Panel Button Locations.................................................................................................................. 4
General Operation...................................................................................................................................... 5
Turn Unit On/Off..................................................................................................................................... 5
Adjust Volume (VOL) ............................................................................................................................. 5
Adjust Menu Options (SEL).................................................................................................................... 5
Set the Clock (CLK) ............................................................................................................................... 5
Change the Source (SRC) ..................................................................................................................... 5
Loudness On/off (LOUD) ....................................................................................................................... 5
Preset Equalizer (EQ).............................................................................................................................5
Mute On/off (MUTE) ...............................................................................................................................5
Reset System (RESET) ......................................................................................................................... 5
Radio Operation ......................................................................................................................................... 6
Switch Between US and EU Frequency ................................................................................................ 6
Change Bands (BAND).......................................................................................................................... 6
Manual Tuning (|<< / >>|)....................................................................................................................... 6
Auto Seek Tuning (|<< / >>|).................................................................................................................. 6
Automatic Music Search (AMS) ............................................................................................................. 6
Store/Recall Preset Stations (1 - 6) ....................................................................................................... 6
Local/DX (LOC) ..................................................................................................................................... 6
Stereo/Mono (ST) .................................................................................................................................. 6
Disc/USB/Card Operation........................................................................................................................... 7
Insert Disc/USB/SD................................................................................................................................ 7
Eject Disc/USB/SD................................................................................................................................. 7
Play/Pause............................................................................................................................................. 7
Next/Previous Track............................................................................................................................... 7
Fast Forward/Backward ......................................................................................................................... 7
Track Search.......................................................................................................................................... 8
Track/Folder Navigation......................................................................................................................... 8
Bluetooth Operation.................................................................................................................................... 9
Pair and Connect ................................................................................................................................... 9
Make a Call ............................................................................................................................................ 9
Redial Last Dialed Number ................................................................................................................... 9
Answer a Call......................................................................................................................................... 9
End a Call .............................................................................................................................................. 9
Switch Audio Between Car and Phone .................................................................................................. 9
Adjust Talk Volume................................................................................................................................. 9
Audio Streaming (A2DP)........................................................................................................................ 9
Remote Control ........................................................................................................................................ 10
Remove Insulating Sheet..................................................................................................................... 10
Replace Lithium Battery Cell................................................................................................................ 10
Remote Control Operation ................................................................................................................... 10
Button Names and Locations................................................................................................................11
Troubleshooting................................................................................................................
........................................................................................................................................... 13
........................ 12
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PRECAUTIONS
How to Handle Discs
Handle a disc by its edges. Do not touch the playing side.
Before inserting a disc, wipe the disc outward from the disc center with a
clean, soft, dry and lint-free cloth. Do not use solvents or thinners such a
petrol/benzene or cleaners.
After removing a disc from the disc slot, place the disc in a sleeve or case
to keep it clean and prevent scratches.
Do not stick paper or tape on the disc surface. If there is glue (or adhesive)
on the disc surface, remove it before using the disc.
Lithium Battery Cell Warnings
Cell leakage may cause damage to the remote control.
Do not throw cells into
Keep battery cells out of reach of children.
as this may cause an explosion.
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INSTALLATION
Prepare Radio
1. Before you begin, disconnect the battery negative terminal.
2. Remove the transport screws.
3. Remove chassis from the mounting sleeve.
BRACKET KEY
PLASTIC TRIM OUT
BRACKET KEY
If you want to remove the chassis from the mounting sleeve, remove the plastic trim out
from both sides. Next, insert the two bracket keys into the left and right side of the chassis, as
illustrated, to separate the chassis from the housing.
Mount Radio
Refer to the “Installation Diagram” to install the unit.
1. Bend the tabs on the mounting sleeve, where necessary, to ensure than the front part of
the main unit will remain
2. Insert radio into the mounting sleeve.
3. Use a metal strap to secure the rear part of the chassis using the hardware indicated.
4. Make wiring connections, as illustrated in the “Wiring Diagram.”
5. Install the plastic trim out.
2
into the vehicle dash opening.
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INSTALLATION (CONT.)
INSTALLATION
DIAGRAM
HEX NUT
SPRING WASHER
PLAIN WASHER
TAPPING SCREW
- Only use speakers with 4 ohm impedance.
!
- The maximum current of the Amp Remote trigger is 200mA.
Wiring Connections
WIRING
DIAGRAM
White:Front Left PRE-AMP Output
Radio Antenna
AUX-Left input
AUX-Right input
Red: Front Right PRE-AMP Output
Red: Rear Right PRE-AMP Outpt
White: Rear Left PRE-AMP Output
DASH BOARD
METAL MOUNTING STRAP
CONSOLE
MOUNTING SLEEVE
HEX BOLT
15
15A
CAUTION
+12V DC
NEGATIVE
Rear Right Speaker
Front Right Speaker
Purple +
Purple/Black -
Gray +
Green +
Green/Black -
White +
White/Black -Gray/Black -
Rear Left Speaker
Front Left Speaker
ACC + (Red)
GND - (Black)
ANT + (Blue)
Power B + (Yellow)
GROUND
Removal of the Main Unit
1. Remove the metal strap from the main unit.
2. Remove the plastic trim out from the main unit.
3. Insert a bracket key into the left and right side of the main unit and draw the unit out of
the mounting sleeve.
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CONTROL PANEL BUTTON LOCATIONS
1. POWER/SRC (source) button
2. SEL (select/menu) button and VOL (volume) knob
3. BAND/AMS (automatic music search) and button
4. >|| or 1 button
5. INT (intro) or 2 button
6. RPT (repeat) or 3 button
7. RDM (random) or 4 button
8. -10 or 5 button
9. +10 or 6 button
10. CLK (clock) and button
11. |<< button
12. >>| button
13. MUTE button
14. EJECT button
15. RESET button
16. AUX IN (auxiliary input) jack
17. USB port/Micro SD Card slot
18. Disc slot
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GENERAL OPERATION
Turn Unit On/Off
Press the power ( ) /SRC button to turn on the unit. Press and hold it to turn off the unit.
Press the power (
Adjust Volume (VOL)
Rotate the VOL knob on the front panel or press the VOL+/- button on the remote control to
increase or decrease the volume level.
Adjust Menu Options (SEL)
Press the SEL button repeatedly to cycle through the following adjustable audio functions:
BASS, TREBLE, BALANCE, FADER, EQ OFF, LOUD OFF, DX, STEREO and VOLUME.
Press and hold the SEL
AREA EU/US, Clock 12/24, and BEEP ON/OFF.
Rotate the knob on the front panel or press the button on the remote contol
to adjust the selected item.
Set the Clock (CLK)
1. To display clock time, press the CLK button.
2. To set clock time, press and hold the CLK button and the hour will
3. Press the I<< or >>I button or press the NEXT or PREV button to adjust the hour.
4. Press the CLK button and the minutes will
5.
Press the I<< or >>I button or press the NEXT or PREV button to adjust the minutes.
6. During Bluetooth mode, the clock can not be adjusted.
) button on the remote control to turn the unit on or off.
button to access these additional functions: VOL (LAS/ADJ),
VOL VOL+/-
Change the Source (SRC)
Press the SRC button to switch between RADIO, BT, DISC, USB, CARD and AUX-IN modes.
Loudness on/off (LOUD)
Press the LOUD button on the remote control to turn on the loudness to reinforce the output
of bass frequencies, press again to turn it off.
Preset Equalizer (EQ)
Press the EQ button on the remote control to choose a desired preset equlizer mode: OFF,
FLAT, POP, ROCK, CLASS.
Mute on/off (MUTE)
Press the MUTE button on the remote control to toggle mute on or off. The muted state will
be also released, when the volume knob or VOL+/- button are used.
Reset System (RESET)
The RESET button is used to reset all parameters to factory default settings.
This function may be used when the LCD does not display normally or sound is distorted,
or when any of the controls are disabled. To reset your system, use a thin object with a
pointed end to depress the RESET button.
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RADIO OPERATION
Switch Between US and EU Frequency
In radio mode, press and hold the VOL button to select the AREA EU/US, then rotate it to
switch between US (USA) and EU (Europe) frequency. The system will change the frequency
setting in about 3 seconds.
Change Bands (BAND)
Press the BAND button to switch between the F1 (FM1), F2 (FM2), F3 (FM3), A1 (AM1) and
A2 (AM2) bands. Each band stores up to six preset stations.
Manual Tuning (|<< / >>|)
Press and hold the >>| or |<< button to enter manual tuning mode. In manual tuning mode,
press the >>| or |<< button to move the radio frequency number up or down one step.
Auto Seek Tuning (|<< / >>|)
In standby mode or while not in manual tuning mode, quickly press the >>| or |<< buttons to
move to the next/previous available station automatically.
Automatic Music Search (AMS)
Press and hold the AMS button for more than 2 seconds to select six strong stations and
store them in the current band. The radio will automatically scan the current frequency and
enter the six strongest stations into the preset memory positions for that band.
Briefly press the AMS button on the remote control to scan each preset station in each band.
Store/Recall Preset Stations (1 - 6)
The radio can store 6 preset stations for each band (FM1, FM2, FM3, AM1 and AM2) for a
total of 30 stored stations.
1. To memorize a station, turn the radio on and select the desired band and station.
2. Press and hold the desired preset button (numbered 1 - 6 on the face of the radio) for
more than 2 seconds to save the station to that preset number.
3. Repeat for the remaining
four bands.
4. A stored station can be recalled at any time by choosing a band and then pressing the
corresponding preset button.
presets on the current band and for all presets on the other
Local/DX
In urban areas, most stations are strong enough and “LOCAL ON” mode should be selected.
Switch to LOCAL OFF mode to search for stations with weaker signals.
Press the LOC button on the remote control to choose local or distant reception mode.
Stereo/Mono
FM station is received in stereo mode. However, if the signal is weak or reception is not as
good as you would like, switching to MONO mode usually improves the overall sound quality.
Press the ST button on the remote control to choose FM STEREO or MONO audio effect.
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DISC/USB/CARD OPERATION
Insert Disc/USB/SD
To play on a disc, insert a disc with the label surface up
into the disc slot. Playback will begin automatically.
To play
insert the USB/SD storage device into the USB/SD port. Playback
will begin automatically.
on a USB/SD device, open the USB port cover and
Label Surface Up
Eject Disc/USB/SD
To eject a disc, press the >|| button to stop playback. Press the (eject) button
to eject the disc and then remove it.
To eject a USB device or SD card,
remove the storage device or card.
press the >|| button to stop playback, then
Play/Pause
Press the >|| (play/pause) button to pause or resume playback.
Next/Previous Track
To play the next track, press the button.
To play the previous track,
NEXT
press the button.
PREV
Fast Forward/Backward
To fast forward, press and hold the >>| or > button.
To fast backward, press and hold the |<< or < button.
Introduction Scan
Press the INT button to play the first 10 seconds of each track, press again to stop the
introduction scan and play the current track.
Repeat the Same Track
Press the RPT button to play the current track repeatedly, press again to stop the repeat
playback and resume normal playback.
Playing all tracks in random
Press the RDM button to play all tracks in random order, press again to cancel this function.
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DISC/USB/CARD OPERATION
Track Search
During CD, USB or SD playback, press the AMS button to select one of the following 3 track
search modes:
1) NUM SCH (Searching by track number)
2) DIR SCH (Searching by directory number)
3) FILE SCH (Searching by track or file name)
1) NUM SCH (Searching by track number)
a) In playback of CD or files with MP3 format, press the AMS button once to access the track
or file number searching mode which allow you to quickly find a specific track or MP3 file by
its serial number, and the “NUM SCH” and “NUM ***” will appear on the LCD display in
sequence, and the first symbol “*” will blink.
b) Rotate the VOL knob to select the number of your favorite track or file with high speed.
c) Finally press the SEL button to confirm and play the selected file.
2) DIR SCH (Searching by directory number)
The folder search mode allows you to quickly find an MP3 track or file under a specific group
folder.
a) In playback of files with MP3 format, press the AMS button twice, the “DIR SCH” will be
shown on the LCD display.
b) Rotate the VOL knob to select a desired folder.
c) Press the SEL button to play the first track or file of the selected folder.
3) FILE SCH (Searching by track or file name)
This track or file name search function allows you to quickly find an MP3 title by its name.
a) Press the AMS button three times, the “FILE SCH” and “*------” will be shown on the LCD
display in sequence, and the first character “*” will blink.
b) Rotate the VOL knob to change the first character (*). The character will be changed from
“A” to “Z”, “0” to “9” and “_”, “-”, “,+”,“space”. Press the SEL button to confirm the character
entered and the next character will blink for setting. Press the AMS button to delete the
incorrect character.
c) When matched files was found, press the SEL button to start play the searched file.
If the file was not found, “NO MATCH” message will be visible on the display.
Track/Folder Navigation
During USB or SD card mode, press the 5/-10 button to go backward 10 tracks.
Press the 6/+10 button to jump forward 10 tracks.
During USB or SD card mode, press and hold the 5/-10 button to go back one folder.
Press and hold the 6/+10 button to go up one folder. You can repeat this function
depending on the number and level of folders.
These buttons have no function if the USB device or SD card has no folders.
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BLUETOOTH OPERATION
Pair and Connect
Prior to using the Bluetooth device as a handsfree system for a Bluetooth-enabled mobile
phone for the
1. In any mode, prior to pairing and connecting, the BT logo
that no device is connected. To begin pairing, enable BT mode on your mobile phone.
2. When the phone
3. Choose the BOSS 508UAB from the device list to pair and connect with the car audio
system. Upon
4. When pairing is complete, the mobile phone audio will automatically transfer to the car
audio system whenever a call is made or received, or when the mobile phone plays
musics.
Make a Call
To make a call, dial the call directly from the paired mobile phone.
To make a call with this Bluetooth handsfree system.
a) When linking up the Bluetooth mobile phone to this car audio handsfree system, press
the button to access the dial telephone number mode, then press the “0~9”, * and #
button on the remote control to input the telephone number, the entered number will be
shown on the LCD.
b) If a number has been incorrectly input, press the DEL button or button to delete it.
c) Press the button to make outgoing call.
Redial Last Dialed Number
Press and hold the button on the control panel to redial the last dialed phone number.
time, you must pair and connect the two devices as follows:
in the LCD indicating
the car audio system, the BOSS 508UAB name will be displayed.
the BT logo will stop
Answer a Call
When the mobile phone is called, the incoming telephone number displays in the LCD.
To receive the call, press the button on the control panel or remote control.
Reject or End a Call
To reject the call or end an active call, press the button.
Switch Audio Between Car and Mobile Phone
During a call, press the VOL knob/button to switch the audio source from the car audio
system back to your mobile phone.
Adjust Call Volume
During a call, use VOL knob or VOL + and VOL - buttons to adjust the volume level.
Use the MUTE button to mute sound.
Audio Streaming (A2DP)
1. Press the /SRC button to enter BT mode and display pause in the LCD.
2. When a mobile device is paired, music played through that device will automatically be
heard through the car audio system.
3. Press the >>| or |<< button to play the next or previous
4. Press the >|| button to pause or resume music playback.
on the mobile phone.
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REMOTE CONTROL
Remove Insulating Sheet
The remote control comes with an insulating sheet
attached to the underside of the remote control, as
illustrated on the right. The remote control will not
work until the insulating sheet is removed.
Replace Lithium Battery Cell
1. When the lithium cell battery becomes weak,
replace it as illustrated on the right.
2. Press and hold the movable block in the
direction indicated by arrow 1. At the same
time, pull the cell holder out of the remote
control in the direction indicated by arrow 2.
3. Replace the old cell with a new one, making
sure the (+) polarity is facing upward.
4. Re-insert the cell holder into the remote
control.
- Cell leakage may cause damage to the remote control.
- Do not throw cells into
!
- Keep battery cells out of reach of children.
as this may cause an explosion.
Remote Control Operation
Position the emitting window of the remote control
toward the sensor window of the unit.
The operation angle for front panel remote control
reception is about 30 degrees.
The distance between the emitting window of the remote control and the sensor window
of the unit should remain less than 5 meters.
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REMOTE CONTROL (CONT.)
Button Names and Locations
1. Power button
2. BAND or button
>|| or 1 button
3.
4.
+ 10 or 6 button
5.
NEXT button
6.
MUTE or DEL button
7.
- 10 or 5 button
8.
SEL (select) button
AMS (automatic music search) or 9 button
9.
LOUD (loudness) or 8 button
10.
RPT (repeat) or 3 button
11.
12. VOL (volume) button
INT (intro) or 2 button
13.
14.
PREV (previous) button
15.
RDM (random) or 4 button
ST (stereo) or 7 button
16.
17.
CLK or button
SRC or button
18.
EQ(Equalizer) or 0 button
19.
20.
LOC (local) button
Note: To operate remote control, pull out the plastic
from the battery compartment at back of remote
control. Then point remote control at unit and start.
12
14
6
3
15
16
18
19
5
8
17
11
13
4
7
9
10
20
12
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Page 14
TROUBLESHOOTING
Symptom Cause Solution
No Power Car ignition not on Switch ignition key to “ACC”
Fuse blown Replace fuse
Disc cannot be loaded Another disc is already in the
player
Disc cannot be read Disc was inserted upside
down
Disc is dirty or scratched Clean the disc or try to play
Temperature inside the car
is too high
No sound Volume turned down Adjust volume to desired
Eject disc and insert new
one
Insert disc with label facing
upward
a new one
Allow vehicle to cool before
using player
level
Wiring not properly
connected
Operation keys not working Front panel not properly
into place
Car interior is too hot Allow vehicle to cool before
Sound skips Installation angle is more
than 30 degrees
Disc is dirty or scratched Clean disc or try to play a
Radio does not work Antenna cable not
connected
Automatic radio station
selection does not work
Signals are too weak Select a station manually
Check and repair wiring
connection
Reinstall the front panel
using player
Adjust installation angle to
less than 30 degrees
new one
Insert antenna cable
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SPECIFICATIONS
General
Power Supply Requirement........................................................................................... DC 12V
Current Consumption ..................................................................................................15A MAX
Maximum Power Output...........................................................................................50W x 4CH
Radio
FM
USA/Europe............................................................... 87.5 MHz - 107.9 MHz/87.5 - 108.0 MHz
Usable Sensitivity ............................................................................................................30 dBu
I.F. Frequency..............................................................................................................10.7 MHz
AM
USA/Europe..................................................................... 530 KHz - 1710 KHz/522 - 1620 KHz
Usable Sensitivity ............................................................................................................20 dBu
I.F. Frequency............................................................................................................... 450 KHz
CD/USB/Card
Usable Audio Formats.........................................................................................CD/MP3/WMA
Pre-amp Output..................................................................................................Front and Rear
Frequency Response .........................................................................................20 Hz - 20 KHz
S/N Ratio ............................................................................................................................60dB
BT
BT Profile supports
Range of frequency
..............................................................................................
.................................................................................................
A2DP, AVRCP, HFP
2.4GHz spectrum
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