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Table of Contents
Related Manuals for Boss Audio Systems 748UAI
Summary of Contents for Boss Audio Systems 748UAI
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Page 2: Installation
1. INSTALLATION The following illustration shows a typical installation. If you have any questions or require information regarding installation kits, consult your customer car audio dealer or a company suppling kits. If you are not sure how to install this unit correctly, have it installed 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. -
Page 3: Connecting The System
2. CONNECTING THE SYSTEM Wiring Diagram WHITE FRONT LINE OUT BLACK REAR AUX-IN WHITE YELLOW CONNECTOR BLUE SUBWOOFER ANTENNA JACK Figure 2 ISO CONNECTOR WIRING CHART WIRE COLOR FUNCTION/LABEL YELLOW BATTERY(+) BLUE CONNECT TO SYSTEM CONTROL TERMINAL OF THE POWER AMP OR AUTO ANTENNA RELAYCONTROL TERMINAL(max 150mA 12VDC) IGNITION(ACC) -
Page 4: Volume Knob
3. THE MAJOR FUNCTION OF THIS UNIT 15 16 Decriptions Item Press this button or any other button on the front panel (except Release/Eject) to turn the unit on. (Power) Press this button again to turn the unit off. MUTE Press this button to turn the Mute On/Off. - Page 5 Press to select the preset equalizer setting: EQ OFF -> POP -> USER -> TECHNO -> ROCK -> CLASSIC -> JAZZ -> VOCAL 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.
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Page 6: Auto Store
4. ADJUST SYSTEM MENU SETTING Press MENU to access into the System Menu. Press MENU repeatedly to select the item to be adjusted, then roate Encoder Volume Knob to select a value / option. AUTO STORE Under the Tuner mode, press the ENTER button to access into the Auto Store mode. The six strongest stations of the selected band are saved in preset channel automatically:FM1,FM2,FM3(1-6),AM1,AM2. - Page 7 5. EXTERNAL CONNECTION AND MEDIA PLAYER MP3 music files are audio compression format. This unit can play MP3 directly from files contained on a USB Memory Stick, SD Card. USB DEVICE OPERATION Insert the USB Device 1. Open the cover marked USB icon on the front panel. Insert the USB device into the USB socket.
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Page 8: Ipod / Iphone Operation
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 LCD display. Please read below for more details operation. Compatible iPod/iPhone Apple iPod and iPhone models with a 30-pin dock connector: •... - Page 9 7. THE FUNCTIONS OF REMOTE CONTROL Decriptions No. Button Item MUTE MUTE Press this button to turn the mute On / Off. When the unit is power on, press this button to POWER ON/OFF turn Off the unit. Once the unit power off, press this button to turn On the unit.
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Page 10: Troubleshooting
8. TROUBLE SHOOTING Before going through the check list, check wiring connection. If any of the problems persist after check list has been made, consult your nearest service dealer. No power or no sound Car engine is not on. Turn the car engine on. Cable is not correctly connected. -
Page 11: Product Information
9. PRODUCT INFORMATION Power Supply 12 V DC (11-14 V), Negative Ground Fuse Suitable Speaker Impedance 4 - 8 Power output 70W x 4 channels Pre-AMP output voltage 2.0 V (USB play mode; 1KHZ, 0dB,10k load) Aux-In level 300mV Radio Frequency Range 87.5 - 107.9MHz(American) 87.5 - 108MHz(Europe)