Manuals - Boss Audio Systems
Contents
1. USERS MANUAL 746UAB BLUETOOTH ENABLED MP3 COMPATIBLE CD AM FM RECEIVER IEE ONS AUDIO SYSTEMS Thank you for Boss Audio Systems This unit will bring you years of enjoyment CONTENTS 2 3 PH 4 6 Wiring COMING Cll ONS T Basic lere 9 Radio CCT aC 9 CD MP3 WMA USB SD Operation 10 11 Bluetooth Operallor ooi ertt tote tease ae Resto escas 12 13 21 NEN TE OO 14 IR Remote 15 Troubleshooting 16 SAFETY PRECAUTIONS A Important Warnings to Take Note of BEFORE Starting the Installation Damage Caused By Incorrect Installation or Usage 15 NOT Covered By Warranty PLEASE Take the Time to Read the Installation Notes Carefully A Please make all necessary connections and terminate any unused wires so they do not short If you feel uncomfortable preforming the install consult a profes sional installer e To avoid any possible damage to your vehicles electrical system be sure to disconnect the battery cable before beginning installation e The unit is intended for vehicles with a 12 volt battery and negative grounding e Before installing the unit in a recreational vehicle truck or bus check that the b2. CLK Button on the faceplate or remote control once the time will show on the display Then press and hold the button until the hour blinks on the display Rotate the VOL knob to set hours then press the VOL knob for the minutes to blink and rotate the VOL knob to set Press the CLK button again or leave the unit idle for new setting to effect Press the CLK button anytime to view the time clock display 9 Preset Beep Sound Off Press the SEL button repeatedly until BEEP OFF is displayed Turn the VOL Button to select ON OFF then leave the unit idle for setting to take effect 10 Preset Equalizer Function Press the SEL Button repeatedly until EQ indication is displayed then rotate the Volume knob to choose between the EQ sound effects The Sequence of equalizer setting will be as follows OFF POP ROCK FLAT CLASSIC m 8 Radio Operation 1 Choose Radio Band Press the SRC Button to access the radio function The unit comes with five bands three FM Bands FM1 FM2 and FM3 and two MW Bands MW1 and MW2 selects Each of the five bands can store up to six preset stations for a total of 30 preset memory stations 2 Radio Tune Seek Function In Radio Mode press and hold the SEEK or gt gt Button for 2 seconds and the display will show MANUAL Then Press the SEEK lt lt or gt gt Button once to manually adjust the radio frequency 3 Tuning P
3. sup ing sleeve to keep the mount plied mounting sleeve into open ing sleeve firmly in place ing 3 Attach wires from the unit to 4 Support radio using rear mounting existing wires See wiring con bolt and steel bar not included nections diagram Insert radio into dashboard Then apply the trim frame to outside of radio DIN Rear Mount SSS CERE CEREREM LOI t ee ey NOTE Outer trim frame hook and mounting sleeve are not used for this installation This is only intended as a general guide contact the vehicle s manufacturer for specific instructions This menthod of installation uses the screw holes at the sides of the unit and the holes of the existing vehicle mounting bracket 1 Remove the hooks on both sides 2 Aligh the screw holes of the mounting bracket supplied with the car and the screw holes of the main unit Tighten the 2 screws on each side of the unit Then fasten the brackets to the car 3 Attach wires of the unit to existing speaker wires See wiring diagram WIRING DIAGRAM Make sure You have a good chassis ground Good ground connection will eliminate most electrical noise problems A good chassis ground requires a tight connection to the vehicle s metal chassis The area around the ground connection should be clean bare metal without rust paint plastic dust or dirt for a good ground connection Black Ground Connect to vehicle body chassis Make sure you have
4. a good chassis ground This will eliminate most electrical noise form the motor and alternator A good chassis ground requires a tight connection to ground The area should be free from rust paint or any form of dirt Yellow Memory Backup Connect to electrical terminal always supplied with power regardless of ignition switch position Orange Remote Connect to Auto antenna or power amp control wire remote connection Maximum current 500mA 12VDC Low Current Lr rr 311 51 7 411 611 8 Antenna RCA OUT Socket left white right red A Fuse 10A Bl 2 4 Connector A Connector B 1 Rear right speaker Purple 1 2 Rear right speaker Purple Black 2 3 Front right speaker Grey 3 4 Front right speaker Grey Black 4 Battery 12V Yellow 5 Front left soeaker White 5 Remote Trigger Blue White 6 Front left speaker White Black 6 7 Rear left speaker Green 7 ACC Red 8 Rear left speaker Green Black 8 Ground Black Speaker Wiring Notes Follow the above wiring diagram to install the head unit with new or existing speakers 1 This unit is designed for use with four 4 speakers with impedance between 4 Ohms to 8 Ohms 2 An Impedance load of less than 4 Ohms could damage the unit 3 Never bridge or combine the speaker wire outputs When not using four speakers use electrical tape to tape the ends of the unused speaker out
5. attery voltage is 12 volts e Remove the two transport screws from the top of the unit before instal lation e Be sure to connect the negative speaker leads to the negative speaker terminal Never connect the negative speaker leads to chassis ground e his unit is only designed for use with 4 speakers Do not combine outputs for use with 2 speakers Do not ground negative speaker leads to the chassis ground e Speakers connected to this unit must be high power units with a minimum rating of 80W and impedance of 4 to 8 ohms Connecting speakers with output and or impedance values other than those noted there will result in damage to the head unit and the speakers e Check the condition off your speakers carefully connecting the unit to old degraded speakers may result in a fault which will damage the audio IC and void the warranty If this unit is installed in a vehicle that does not have an ACC accessory position on the ignition switch the red lead of the unit should be connected to a terminal coupled with ignition switch ON OFF operations If this is not done the vehicle battery may be drained when you are away from the vehicle for several hours SAFETY PRECAUTIONS e Secure the wiring with zip ties or electrical tape To protect the wiring wrap adhesive tape around them where they lie against metal parts To avoid short circuiting cover all disconnected lead with insulating tape There is a possibility of short ci
6. e first time The pairing process is used to generate a link key that is used for authentication purposes for future Bluetooth connections between devices Your mobile phone can initiate a search for a new device and pair the unit 1 Access the mobile phone s Bluetooth function and set the Bluetooth function to on 2 Use the mobile phone s add a new device feature BOSS AUDIO appears in the list on your mobile phone 3 Select BOSS AUDIO The unit has an auto pairing function It will search for the Bluetooth mobile phone and pair automatically A prompt to connect should appear on your mobile phone Accept the request and initiate the process NOTE Some mobile phones require a pass key or pairing code to connect If your phone requires a pass key or pairing code you will need to enter this number The default pairing code for the unit is 0000 Auto Reconnection This unit has a built in auto reconnection function In some conditions the unit will auto reconnect with the mobile phone note the mobile phone must have been paired with the unit before When you turn off the unit and then turn it on again e Switch off the ACC wire and switch it on again Managing Incoming Calls Answering an Incoming Call Press the GREEN button to answer an incoming call Rejecting an Incoming Call Press the RED button to reject the incoming call 12 Bluetooth Operation Audio Streaming A2DP Note Your mobile pho
7. eck the connection of the antenna No radio reception Make sure the antenna is completely extended and that it is not broken A CD is already inside the appliance CDs cannot be loaded Make sure that the fixing screws of the CD mechanism have been removed The stereo indicator is blinking 7 Specifications GENERAL Operating 12 Volts DC Negative Ground SDS AK SE OU UN MERERI 4 speakers Front 1V Output 40181218 MENTI RR 4 to 8 Ohms TE 10A brace m 178mm W x 178mm D x 51mm H Vcl T 2 0 Kg CD PLAYER wea MeLdacem gt 80dB Frequency RES POMS 20 Hz 20KFHz Channel gt Pal aree MARS Erud gt 50dB D A ON Sa acer tees teeta hate E 16 Bit FM TUNER Tuning USA 87 5 107 9MHz Europe 87 5 108 MHz E E 22205555 8533 12dBu Stereo Separation 3548 Tuning Range USA 530 1710 KHz Europe 522 1620 KHz nuu Jo jM 30dBu 19 USER S MANUAL 746UAB BLUETOOTH ENABLED MP3 COMPATIBLE CD AM FM RECEIVER 3055 AUDIO SYSTEMS BOSS Audio Systems 3451 Lunar Cour
8. hile listening to the FM Radio press and hold the F PS Button The receiver will automatically scan and save stations of the 3 FM Bands While listening to the MW Radio press and hold the F PS Button The receiver will automatically scan and save stations of the 2 MW Bands B Scan amp Preview Saved Stations Press the F PS button once and the receiver will scan the radio stations in the current band CD MP3 WMA USB SD Operation 1 Insert Eject CD Insert a disc into CD slot with label side up The disc will be automatically loaded into the unit even when it is off or at radio mode The word LOAD will blink on the display and the CD will play automatically Press the EJECT Button to eject the disc from the slot If the disc is not removed from the slot within 5 seconds it will automatically be loaded into the slot again When the disc is ejected and removed the unit will automatically switch to radio mode While you are playing a disc with MP3 or WMA The first file in the root folder will be played if there is any ID3 information that will be displayed as the file is playing To play MP3 WMA files from a USB flash memory or SD card insert a USB flash memory or SD card into the USB port or SD port of the unit The unit will start playing MP3 WMA files on the USB flash memory automatically If the MP3 WMA files are stored in folders on the USB drive the unit will start by playing the first song in the first folder After
9. ne must support this function Please refer to your mobile phone s instruction manual When in A2DP mode Press the PREVIOUS button on the front panel of the unit to choose the previ ous track Press the NEXT button on the front panel of the unit to choose the next track Press the APS PAUSE button on the panel control to pause play Other Operations 1 AUX Input The AUX Input Jack is a 3 5mm stereo jack on the front panel of the unit Press the Mode button to choose AUX Connect any portable audio device such as a MP3 player to unit Use the volume control to adjust volume 2 Front Pre amp Output The RCA Output Jack is on the back of the unit Refer to Wiring Diagram This output is for connecting amplifier equalizer or other audio component that requires a pre amp out connection Red Right White Left Follow the manu factures instructions for the audio component that you are connecting Maintenance Cleaning the Unit Do not use any liquids to clean this unit Do not use petroleum distillates to clean this unit Use a clean dry cloth to clean this unit Replacing the Fuse Make sure the amperage matches the specified value when replacing the fuse s If the fuse is bad check the power connection and replace the fuse with a new one If the same problem occurs this might indicate a malfunction within the unit Warning When replacing a fuse do not use a fuse with a higher am perage rating than the fuse originally s
10. nt value If the fuse blows again please contact your installation company Double check that all wiring and connections are correct before re connecting the battery and turning on the unit e After completing the installation and before operating the unit reconnect the battery then press the RES button with a pointed object such as a ball point pen to set to unit to it s initial status After pushing the button wait a few sec onds for the red light to flash INSTALLATION Tools for Installation 2 removal wrenches are supplied for taking out the old unit and replacing it with your new Boss Audio Systems car stereo The following tools and supplies may also be needed for the installation Tools for Installation Philips Screw drivers Machine Screws Wire Stripper Wire Cutter Hammer Pencil Electrical Tape Electric Drill Supplies for Installation Machine Screws Crimp Connectors 14 Gauge Wire for Power Connections 14 16 Gauge Speaker Wires The above are not supplied Before you install Automotive audio equipment installations can be challenging even to the most experienced of installation technicians We strongly recommend that this unit should be professionally installed by a authorized dealer this is a requirement to validate the extended warranty IMPORTANT Remove the two transport screws from the top fo the unit before installing Remove the Old Unit from the Dashboard 1 Remove the outer trim frame 2 In
11. playing all the files sequentially in the first folder the unit will play sequentially all of the files in the next folder The unit will continue playing through all of the folders on the USB drive in this manner If the USB drive has loose files and folders containing files it will play the loose files sequentially then it will play the files in the folders sequentially 2 Multi Session CD Reading This unit can read multi session CDs The multi session reading will be activat ed automatically if the player detects a file that is written in multi session format 3 Selecting Tracks Press the SEEK gt gt Button to advance CD to the next track Track numbers will be shown on the display Press and hold SEEK gt gt to fast forward Press the SEEK Button to go to a previous track Track numbers will be shown on the display Press and hold the SEEK Button to fast reverse Disc will play normally when the No 1 play pause Button is pressed 4 Play Pause CD Press the No 1 PAU Button to pause the CD Press this button again to resume playback 5 Scanning Tracks Press the No 2 INT Button to play the first 10 seconds of each track INT will be displayed on the display Press this button again to resume playback 6 Repeat Press the No 3 RPT Button to repeat the current track Press it again to cancel 7 Random Press the No 4 RDM Button to play all the tracks in random order RDM will appear on the display Press
12. puts to prevent a short circuit 4 Never ground the negative speaker terminals to chassis ground T Basic Operation 1 Tuning the unit On Off Press any Button to turn the unit on the display will show a message BOSS AUDIO to indicate it is ready for use Press and hold the POWER button to turn the unit off The display will show a message GOODBYE 2 Mode Selection Press the SRC Button to select Radio Mode Press the SRC Button to cycle the Play Mode amoung AUX RADIO and CD PLAY Note USB amp SD mode will only show on the display when a USB flash memory or SD card is inserted into the USB port or SD port 3 Loudness Control Press the SEL button until LOUD OFF is shown on the display indicates that the loudness function is OFF Turn the volume knob to select between ON or OFF 4 Mute Control Press the POWER MUT button active or cancel Mute function 5 Volume Use the VOL 4 Button to adjust the volume level The larger the number the higher the volume level 6 Bass Treble Press the SEL Button repeatedly until the display shows BAS 00 00 Use the VOL Button to adjust When EQ is ON bass treble control is not available 7 Balance Fader Press SEL Button repeatedly until the display shows BAL L R FAD F R then use the VOL Button to adjust the balance between the left amp right speakers 8 Clock The time clock can be set anytime when the power is on Press the
13. rcuiting if the leads are not insulated e Route and secure all wiring so it cannot touch any moving parts such as the gear lever and handbrake Do not route wiring in places that get hot such as near the heater outlet If the insulation of the wiring melts or gets torn there is a danger of the wiring short circuiting to the vehicle s body e Don t pass the yellow lead through a hole into the engine compartment to connect to the battery This will damage the lead s insulation and cause a very dangerous short e Do not shorten any leads if you do the protection circuit may fail to work when it should e Never feed power to other equipment by cutting the insulation of the power supply lead of the unit and tapping into the lead The current capacity of the lead will be exceeded causing overheating e Since a unique audio 1 circuit is employed never wire so the speaker leads are directly grounded or the left and right speaker leads are common When this products source is switched ON a control signal is turned on through the change color to Blue White lead Connect to an external power amp s system remote control or the car s Auto antenna relay control terminal max 300mA 12V DC e Do not block any vents or heater panels Blocking them will cause heat to build up and may result in fire e When replacing the fuse s the replacement must be of the same amperage as shown on the fuse holder Never replace a fuse with another of a differe
14. ress the SEEK lt lt or gt gt Button once the radio will seek the next strong and clear frequency station Repeat to seek more stations in your listening area with a strong signal 4 Mono Stereo Reception Control In FM radio mode Press the SEL Button until STEREO is shown on the dis play Roate the VOL to select STEREO MONO Improvement of reception of distant stations can be done by selecting operation which may cut down some reception noise 5 Local Distant Control In FM radio mode Press the SEL Button until DX is shown on the display Roate the VOL to select LOCAL or DX Local and distance reception setting can facilitate the radio reception depend ing on the location in which the radio is being used 6 Save Your Preset Stations There are six numbered preset buttons which can store and recall stations for each band While listening to a radio station you would like to save as a pre set press and hold one of the buttons numbered 1 6 until you hear a beep The button you pressed is now the pre set button for that station 7 Automatic Store Preset Scan There are six numbered preset buttons which can store and recall stations for each band While listening to a radio station you would like to save as a pre set press and hold one of the buttons numbered 1 6 until you hear a beep The button you pressed is now the pre set button for that station A Automatic Scan amp Store W
15. sert the keys supplied with the old unit into both sides of the unit as shown in figure below until they click Pull to remove the old unit from the dashboard DIN Front Mount DO NOT DISCONNECT WIRES AT THIS TIME Mark Polarity of the Speaker Wires Marking the polarity of the speaker wirers will make it easier to connect the existing speakers to your car radio Consult wiring diagram of existing head unit before disconnecting any wires If you are not positive of the polarity of the exist ing wires from the speakers to the head unit install new wires 1 While the old unit is playing disconnect the wires from one speaker 2 Take a length of masking tape and fold it around the wire so it forms a flag 3 On the masking tape mark the polarity of the speaker wires amp as well as left or right and front or rear 4 Double check that you marked the first speaker correctly by checking that the speaker wires are the same at the head unit 5 Repeat this procedure for all of the speakers 6 Mark the power ground and any other wires also INSTALLATION WARNING Disconnect negative battery terminal from battery before starting installation NOTE Mark the polarity of the existing speaker wires before discon necting battery NOTE Remove the two transport screws from the top of the unit before installing DIN Front Mount 1 After removing the old radio 2 Bend the tabs on the mount and mounting sleeve insert
16. t Oxnard CA 93030 www bossaudio com 805 751 4853 tech support www bossaudio com technical support Or 0115 iPhone are registered trademarks of Apple Inc in the U S and other countries BOSS Audio Systems is not affiliated with Apple Inc or Google Inc
17. this button again to stop random play 8 Folder Down Press the 5 3 button once to go back one folder 10 CD MP3 WMA USB SD Operation Con d 9 Folder UP Press the 6 3 button once to advance one folder 10 Search Modes There are 3 search modes to help find your favorite MP3 amp WMA tracks The search modes only works with MP3 WMA CDs and USB flash memory with MP3 WMA files A Simple Track Search Press the SEEK lt lt or gt gt Button to go to the next track or previous track B Track Search Press the F PS Button TRK SCH will appear on the display Use the VOL Button to select the track number press the SEL button so that the chosen track will start to play C Folder Search Press the F PS Button twice and NAVIGATE will be shown on the display Use the VOL Button to select the folder name Then press the SEL Button to play the chosen folder 11 Electronic Skip Protection Electronic Skip Protection is for driving on rough roads The CD will play for 10 seconds on rough roads witout skipping if driving on a rough road for more than 10 seconds the CD may skip For MP3 or WMA files will play for 60 seconds If the road is rough for more than 60 seconds the CD with MP3 or WMA files may skip 11 Bluetooth Operation Pairing Your Mobile Phone Before using Bluetooth functions you must pair your mobile phone and the unit Pairing is a special process used when two devices connect for th
18. upplied to your unit otherwise damage will result to your unit 13 IR Remote Control Mode Power on off Number 4 Random Play Number 3 Repeat Play Volume Select Button Stations Tune Seek Track Down Volume Band Witch 10 APS 11 Number 1 Play Pause 12 Number 2 Intro Scan 13 Number 5 Folder Down 14 Number 6 Folder Up 15 Loundness 16 Stations Tune Seek Track Up 17 Mono Stereo Control 18 Local Distance 19 Time Clock Display 20 Mute AUN gt gt This unit comes with a full remote control system The CR 2025 Lithium battery is an included item with the remote control TO PLACE THE BATTERY 1 Remove the cover from the back of the remote control Insert a CR 2025 Lithium battery 3 Insert the battery holder into the back of the remote control Operating the remote control Aim at the face panel of the CD Receiver the maximum distance at which signals can be received is about 6M Make sure that the signal path is not obstructed Do not drop or throw the remote control Do not place the remote control in a location that is exposed to direct sunlight or next to a heating unit or other heat source 14 Troubleshooting Guide PROBLEM CAUSE SOLUTION Check and make sure that the fuses did Errors are displayed on the screen Unol lua it or no function is active YOU CAM TAMO ANEN pag Ch
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