Boss Audio Systems GPS Receiver 748UAI User Manual

10 R - 03 1817  
4
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1. INSTALLATION  
The following illustration shows a typical installation. If you have any questions or require information  
regarding installationkits, consultyourcustomercaraudio dealeror a companysuppling kits.  
Ifyouarenotsurehowtoinstall this unitcorrectly, haveitinstalled by a qualified technician.  
To attach the front panel back to the unit chassis,  
please insert the right side of the panel in the chassis  
until it is correctly engaged. Press the left side of the  
panel until the mechanism locks it into place.  
1
8
2
m
m
5
3
m
1
m
Screw  
Sleeve  
2
Dashboard  
3
Bend the appropriate  
tabs to hold the sleeve  
firmly in place.  
4
Trim  
Plate  
Control  
Panel  
Remove the unit  
1. PressthePanelReleasebutton.  
1
2. Push theleftside of thepanelrightward  
3. Pull thepaneltowards youtodisengage it from thechassis.  
Release  
Trim Plate  
E - 1  
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2. CONNECTING THE SYSTEM  
Wiring Diagram  
WHITE  
FRONT LINE OUT  
BLACK  
L
REAR  
RED  
R
WHITE  
AUX-IN  
YELLOW  
ISO  
CONNECTOR  
RED  
BLUE  
SUBWOOFER  
ANTENNA  
JACK  
1
2
3
4
5
6
7
8
B
A
5
7
8
4
Figure 2  
ISO CONNECTOR WIRING CHART  
FUNCTION/LABEL  
PIN WIRE COLOR  
YELLOW  
BATTERY(+)  
A4  
A5 BLUE  
CONNECT TO SYSTEM CONTROL  
TERMINAL OF THE POWER AMP OR  
AUTO ANTENNA RELAYCONTROL  
TERMINAL(max 150mA 12VDC)  
A7 RED  
IGNITION(ACC)  
A8  
B1  
B2  
BLACK  
VIOLET  
GROUND  
RIGHT REAR SPEAKER (+)  
VIOLET/BLACK RIGHT REAR SPEAKER (-)  
RIGHT FRONT SPEAKER (+)  
B3 GREY  
RIGHT FRONT SPEAKER (-)  
LEFT FRONT SPEAKER (+)  
B4 GREY/BLACK  
B5 WHITE  
WHITE/BLACK LEFT FRONT SPEAKER (-)  
B6  
LEFT REAR SPEAKER (+)  
B7 GREEN  
B8 GREEN/BLACK  
LEFT REAR SPEAKER (-)  
E - 2  
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3. THE MAJOR FUNCTION OF THIS UNIT  
8
3
2
12  
13  
3
1
7
9
4
14  
15 16  
5
10  
11  
6
Decriptions  
No. Item  
Press this button or any other button on the front  
panel (except Release/Eject) to turn the unit on.  
Press this button again to turn the unit off.  
1
(Power)  
Press this button to turn the Mute On/Off.  
MUTE  
ENTER  
2
Under Media playback mode, press this button to  
confirm the selection.  
(Release)  
(Audio Menu)  
Pressthisbuttontoopenthecontrolpanel.  
3
4
Press toaccess intotheAudio Menumodeto  
adjustthebelowoptions:  
BASS(BassLevel)/TRE(TrebleLevel)/BAL  
(Balance) /FAD(Fader) /EQ(PresetEqualizer)  
/xBAS(iX-Bass)  
AUDIO  
(Local/Distance)  
LOC  
Press this button adjust the tuner sensitivity if  
you want to receive more radio stations or only  
stations with strong signal.  
[LOCAL]: only stations with strong signal can  
be recevied.  
[DISTANCE]: Stations with strong and weak  
signals can be recevied.  
5
6
Rotate the encoder volume to increase and  
decrease the volume.  
VOLUME KNOB  
BAND  
Shortpress this buttontochangebetweenBAND  
FM1,FM2,FM3, AM1(MW1)orAM2(MW2).  
Under Media playback mode, press to access into  
the music folder / file searching mode.  
BROWSE  
7
Under iPhone / iPode mode, press this button to  
access into the Playlist, Artist, etc searching mode.  
E - 3  
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EQ  
Press to select the preset equalizer setting:  
EQ OFF -> POP -> USER -> TECHNO ->  
ROCK -> CLASSIC -> JAZZ -> VOCAL  
8
9
ESC  
Press to quick return previous menu or mode.  
SOURCE  
Press SOURCE button to select a different mode of  
playback mode: Radio, CD play,USB(USB iPod), SD  
and Aux In.  
10  
TUNE UP  
/DOWN  
Under Radio mode, press these buttons to  
enter into the Auto Seek mode, press and hold  
thesebuttonstoenterintotheManualSeekmode.  
FILE UP  
/DOWN  
Under Media playback mode, press these buttons  
to skip a chapter / track / scene / file.  
11  
Under Media playback mode, press and hold  
momentarily to fast forward /backward.  
FAST FORWARD  
/BACKWARD  
Under Tuner mode, press this button briefly to  
display the Clock time.  
INFO  
Under Media playback mode, press this button  
repeatedly to display ID3 information: Track number  
and play time ->folder ->file ->title ->artist ->album  
12  
13  
- > c l o c k .  
.
Press and hold this button to turn On or Off the  
Subwoofer function.  
(Subwoofer)  
SUBW  
EJECT  
Press this button to eject the Disc.  
Under Tuner mode, short press the Numeric  
buttons to recall the preset stations. Hold press  
theNumberic buttonstostorethelisteningstation.  
PRESET  
NUMERIC  
BUTTONS  
Under Media playback mode,press the Numeric  
buttons to perform the below operation:  
14  
Number  
1
2
3
4
5
6
Pause/Play INT  
RPT  
RDM  
Folder Down Folder UP  
Button  
Press to access into the System Menu mode.  
MENU  
XBS  
15  
16  
Under iPod/iPhone mode, press to access into the  
iPod/iPhone control mode.  
Press this button to turn On or Off the iX-BASS  
booster function.  
E - 4  
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4. ADJUST SYSTEM MENU SETTING  
Press MENU to access into the System Menu. Press MENU repeatedly to select the item to be adjusted,  
thenroateEncoderVolumeKnob toselectavalue/option.  
AUTO STORE  
Under the Tuner mode, press the ENTER button to access into the Auto Store mode. The six strongest  
stationsof theselectedband aresaved inpresetchannelautomatically:FM1,FM2,FM3(1-6),AM1,AM2.  
AREA (Tuner Frequency Spacing)  
This option allows the selection of the frequency spacing appropriate for your area. Rotate the Encoder  
Volume Konb to select the USA, LATIN, EUROPE, RUSSIA, ASIA (Asia Pacific), MID-EAST(Middle East)  
orJAPAN options.  
CLOCK SET  
Program the current time by rotating the Encoder Volume Knob clockwise to adjust the minutes and  
hours.  
CLOCK FORMAT  
User can rotate the Encoder Volume Knob to select the clock format 12H or 24H  
BEEP ON/OFF (Beep Tone)  
The beep tone feature allows the selection of an audible beep tone to be heard each time a button is  
pressed on the face of the radio. "Beep On" is the default display. Rotate Encoder Volume Konb to select  
theBeep Off” option.  
E - 5  
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5.EXTERNALCONNECTIONANDMEDIAPLAYER  
MP3 music files are audio compression format. This unit can play MP3 directly from files contained on a  
USB MemoryStick, SDCard.  
USB DEVICE OPERATION  
Insert the USB Device  
1. OpenthecovermarkedUSB icononthefrontpanel.  
2. Insert the USB device into the USB socket. The unit  
starts playing from theUSB deviceautomatically.  
NOTE  
Ensure that the USB device contains playable music.  
Remove the USB Device  
Before remove the USB stick from the front panel. Always remember to switch off the unit's power then  
removeouttheUSB Stick.  
MEMORY CARD OPERATION  
Insert the Memory Card  
1. Press panel  
buttontoreleasethefrontpanel.  
2. Push the left side of the panel rightward. Pull the panel  
towards youtodisengage it fromthechassis.  
Face Up  
3. Insert the card into the card slot in the correct direction  
untila“ CLICKsound is heard,  
4. Close the front panel, then the unit starts playing from  
thecard automatically.  
Remove Memory Card  
Press the unit in off. Press the card until you hear a click  
sound, thecard is nowdisengaged. thenremovethecard.  
Left Track  
Right Track  
Ground  
CONNECT THE AUX-IN  
Connect the external signal to AUX in jack located atthe front of the  
panel, then press Mode button to select Aux mode. Press Mode  
Buttonagain tocancelAuxMode and returntoprevious mode.  
RESET THE UNIT  
Youcanresettheunittoits defaultsetting.  
The RESET button is located on the main unit (as shown on the diagram). To press it vertically with a  
ballpoint penor metalobjectwill activateit.  
The reset button is to be activated for the following  
reasons:  
1. Initial installation of the unit when all wiring is  
completed.  
2. All thefunctionbuttonsdo notoperate.  
3. Error symbolonthedisplay.  
E - 6  
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6. iPod / iPhone OPERATION  
This unit is equipped with iPod/iPhone Ready function which allow end user to have direct control of the  
iPod/iPhone on the front panel control button and display iPod/iPhone song information on the unit's  
LCDdisplay. Pleaseread belowfor moredetails operation.  
Compatible iPod/iPhone  
Apple iPod and iPhonemodels witha30-pindock connector:  
iPod nano(2ndgeneration)  
iPod nano(3rdgeneration, 4GB only)  
iPod nano(3rdgeneration, 8GB only)  
iPod nano(4thgeneration)  
iPod nano(5thgeneration)  
iPod classic (1stgeneration)  
iPod classic (2ndgeneration)  
iPod touch(1stgeneration)  
iPod touch(2ndgeneration)  
iPod touch(3rdgeneration)  
iPod video (30GB, 80GBonly)  
iPhone  
iPhone3G  
iPhone3GS  
iPhone4  
iPod/iPhone control music playback mode  
Press MENU on front panel repeatedly the [IPOD CONTROL] is displayed, then press ENTER to switch  
betweenthetwocontrolmodes:  
iPod controlmode:UsetheiPod/iPhonetooperatesmusiccontrol.  
Panelcontrolmode:Use thePanelbuttonsonunittooperatesthemusiccontrol.  
NOTE  
Please make sure the iPod/iPhone cable is connected correctly. And please only use  
original iPod / iPhone cable( iPhone, iPod & cable not supplied with this unit.).  
Audiobook  
IniPod/iPhonemode, youcansettheaudiobook playback speed onthiscaraudio.  
Press MENU on front panel repeatedly the [AUDIOBOOK] is displayed,then rotate Encoder Volume  
Knob toselectsetting:  
NORMAL /FASTER/SLOWER  
Search for a track on iPod/iPhone  
tobrowse iPod/iPhonemenu.  
1. PressBAND/  
2. RoateEncoderVolumeknob toselecttheArtist searchmode, andpress ENTER toconfirm.  
3. RoateEncoderVolumeknob toselecttheArtist, thenpress ENTERtoconfirm.  
4. Roate Encoder Volume knob to select desired song in the current album, press ENTER to confirm.  
Connect iPod / iPhone  
Insert the iPod/iPhone USB cable to the Front  
Panel USB socket, the unit starts playing  
iPod/iPhone USB cable  
(not supplied with this unit)  
E - 7  
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7. THE FUNCTIONS OF REMOTE CONTROL  
1
3
5
2
4
6
Decriptions  
No. Button  
Item  
MUTE  
1
MUTE  
Press this button to turn the mute On / Off.  
When the unit is power on, press this button to  
turn Off the unit. Once the unit power off, press  
this button to turn On the unit.  
POWER  
ON/OFF  
2
3
VOLUME  
KNOB  
Press this button to increase / decrease the  
volume.  
TUNE UP  
/DOWN  
Under the tuner mode, press this button to  
enter into the Auto seek mode, press and  
hold this button to enter into the Manual Seek  
mode.  
FILE UP  
/DOWN  
Under USB/SD media playback mode, press  
these buttons to skip to the next or previous  
file / song.  
4
FAST FORWARD  
/BACKWARD  
Under USB/SD media playback mode, press  
and hold momentarily to fast forward /  
backward.  
Press this button to select different source  
playback mode: TUNER,USB, SD and  
AUX IN.  
SRC  
5
SOURCE  
AUDIO  
MENU  
Press this button to enter into the Audio  
Menu mode.  
AUDIO  
6
E - 8  
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8. TROUBLE SHOOTING  
Before going through the check list, check wiring connection. If any of the problems persist after check  
list has beenmade, consultyournearestservicedealer.  
No power or no sound  
Car engine is not on. Turn the car engine on.  
Cable is not correctly connected. Check connections.  
Fuse is burnt. Replace fuse.  
Volume is in minimum. Adjust volume to a desired level.  
If the above solutions cannot help, press the RESET button.  
Ensure that the track played is of a compatible format.  
Noise in broadcasts  
Signals are too weak. Select other stations with stronger signals.  
Check the connection of the car antenna.  
Change broadcast from Stereo to mono.  
Cannot play disc  
Ensure tha the disc label is inserted with the printed side facing up.  
Wipe the disc with fibre cleaning cloth from the centre to the edge in a straight line.  
This disc may be defective. Play another disc.  
Ensure that the CD is a finalised CD/CD-R/CD-RW.  
Ensure that the CD is not encoded with copyright protection techn-ologies.  
The CD Skips tracks  
Ensure that the CD is not damaged or dirty.  
Ensure that random mode is deactivated.  
Preset stations lost  
Battery cable is not correctly connected. Connect the battery cable to the terminal that is always  
live.  
Display show ERR-1  
The disc, USB or SD device cannot be red in two minutes  
Display show ERR-3  
USB/SD data error.  
Disc is upside down. Ensure the printed side is facing up.  
Display show ERR-5  
Communication error or component is damged.  
E - 9  
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9. PRODUCT INFORMATION  
Power Supply  
Fuse  
Suitable SpeakerImpedance  
12 V DC (11-14 V), Negative Ground  
15A  
4 - 8  
Power output  
70W x 4 channels  
Pre-AMP output voltage  
2.0 V (USB play mode; 1KHZ, 0dB,10k load)  
300mV  
Aux-In level  
Radio  
-FM  
Frequency Range  
87.5 - 107.9MHz(American)  
87.5 - 108MHz(Europe)  
(100KHz per step in auto search and 50KHz per step  
in manual search)  
Better than 15dB at S/N 30dB  
Usable Sensitivity  
-AM(MW)  
Frequency Range  
530 - 1710 KHz(American)  
522 -1620KHz(Europe)  
Better than 45dB  
Usable Sensitivity  
USB devices:  
USB flash memory  
USB 1.1, & 2.0 compatible  
Supported formats:  
MPEG1/2/2.5/  
Layer 2/3  
7/8/9  
WMA Version  
Sampling frequency  
MPEG1  
MPEG2  
MPEG2.5  
WMA  
32/44.1/48 Khz  
16/22.05/24 KHz  
8/11.025/12KHz  
22/32/44/48KHz  
Sampling But rate  
MP3/WMA  
CDROM Mode  
32~320Kbps & VBR  
1 / 2  
ISO9660 Level  
1 / 2 & Joliet(unicode)  
999  
255  
Max File/DIR. Count  
Max DIR. Depth  
Sorting Method  
Tree sorting  
64Byte  
Max File/DIR. Name  
ID3  
V1.0/1.1/2.0/2.3(Max 32Byte)  
in this manual as “Directory”  
MP3 directory shown  
MP3 file shown  
“Track”.  
31 characters.  
Maximum length of file name  
Maximum length of directory  
Supports Multi-Session recording.  
32 characters.  
Supports CD, CDR and CDRW.  
Disc written by Packet Write (UDF) is not supported.  
NOTE  
Product information is subject to change without prior notice.  
If at any time in the future you should need to dispose of this product please note  
that Waste electrical products should not be disposed of with household waste.  
Please recycle where facilities exist. Check with your Local Authority or retailer for  
recycling advice.(Waste Electrical and Electronic Equipment Directive)  
E - 10  
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