Manuals - Boss Audio Systems
Contents
1. USERS MANUAL 254 DIGITAL MEDIA AM FM RECEIVER FEATURING 3 2 81mm WIDESCREEN DIGITAL TFT MONITOR DEE COMPATIBLE CC AUDIO SYSTEMS CONTENTS Safety Precautions 2 3 S EA 4 6 Wiring CONNEGHONS liner 7 Basic Operaio a 8 Radio Operation 9 10 USB SD Operation 11 Other Operations 12 Maintenance 12 IR Remote Control 13 Simple Troubleshooting Guide 14 SC AUNTS uuu u Coase 14 SAFETY PRECAUTIONS A Important Warnings to Take Note of BEFORE Commencing Installation Damage Caused By Incorrect Installation or Usage 15 NOT Covered By Warranty PLEASE Take the Time to Read the Installation Notes Carefully To Validate the Warranty Please Ensure That the Unit is Installed by a Professional VAT registered Car Audio Installation Company e To avoid short in 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 grounding2. e Before installing the unit in a recreational vehicle truck or bus check that the battery 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 This 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 rat ing of 45W 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 of degraded speakers may result in a fault which will damage the audio IC and invalidate 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 Secure the wiring with cable clamps or adhesive tape protect the wiring wrap adhesive tape around them where they lie against metal parts To avo
3. 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 Dashbord or Console 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 a good chassis ground This will eliminate most electrical noise form the motor and alternator 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 300mA 12VDC Low Current Parking wire green RCA Line out Video output yellow Left White Right Red Connector A 1 Rear right speaker Purple 2 Rear right speaker Purple Black 3 Front right speaker Grey 4 Front right speaker Grey Black 5 Front left speaker White
4. 6 Front left speaker White Black 7 Rear left speaker Green 8 Rear left speaker Green Black Connector B Fuse 10A Na 1 4 Battery 12V Yellow 5 Antenna power Blue white 7 ACC Red 8 Ground Black Parking brake lead Purple Wire za F light Car frame If parking cable is connected to hand brake switch the video display of the mon itor will be controlled by driving status system setup and input video sources When the car is moving ahead if the video is played the screen shows warning The warning screen will prevent the driver from watching images 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 outputs to prevent a short circuit 4 Never ground the negative speaker terminals to chassis ground 7 Basic Operation 1 Turning the unit On Off Press the Power Button to turn the unit on When the unit is on press the Power Button once to turn the TFT off During TFT off the video out signal will be available so that the connected monitor will show the screen of the unit Press t
5. turn up the volume or interrupt the playback of the music for the duration of the announcement At the end of the announcement the radio will return to its previous state ready for the next announcement a After choosing AF in the list you can turn AF on The unit will choose the strongest FM signal for the selected station so that you do not have to re tune the stations when driving between different transmitter coverage areas When AF is on it means RDS information is received when AF is flashing it means RDS information is not yet received b After choosing TA in the list you can turn TA on The unit will be activated for reception of traffic announcement from local radio stations c After choosing PTY in the list you can rotate the volume knob in order to choose different program types Rotate the volume knob and stop at your desired category then the unit will search for a station broadcasting that type of program 10 USB SD Operation Plug the USB SD card into the USB SD port The unit will play the contents automatically 1 Advance Go Back Advance to the next track or go back to the previous track by pressing the for ward or rewind buttons Press and hold the same button for fast forward rewind the song video you may stop anytime by pressing the play pause button 2 Play Pause Press the play pause button to pause the playback or resume 3 TYPE button Switch the current playback eg Music to another
6. type eg Video by pressing the TYPE button The type switch will depend upon the contents in the USB SD device 4 HOME button Press the HOME button during playback in order to see the full list of files All the file names are displayed for your easy reference Select the desired files by turning and pressing the volume control 5 Aspect Ratio During video playback press and hold the volume control in order to switch the aspect ratio of the video You can select full screen 16 9 and 4 3 accordingly The viewing effect will depend on the video file so it may vary 11 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 player to unit Use the volume control to adjust volume 2 RCA Output The RCA Output Jack is on the back of the unit Refer to Wiring Diagram This output is for connecting amplifier equaliser 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 3 Video Output The video output Jack is on the back of the unit Refer to Wiring Diagram When the unit is on press POW TFT OFF button on the panel to switch off the display When the display is off the video out signal will be available so that the connected monitor will show the screen of the uni
7. d to the amp s power terminal Such connection could cause excessive current drain and a major malfunction Refer to the relevant owner s manual for details on connecting the power amp and other units then make the connections correctly Do not block any vents or heater panels Blocking them will cause heat to build up and may result in fire If noise is still experienced when the motor of the vehicle accelerates a choke should be placed in line with the power to the unit The installation company will know what is required 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 different value If the fuse blows again please contact your instsallation company Double check that all wiring and connections are correct before re connecting the battery and turning on the unit 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 onds for the red light to flash INSTALLATION Tools for Installation 2 removal wrenches are supplied for taking out the old unit and place with this brand name car radio The following tools and supplies may also be needed for the installation Tools for Installation Philips Screw drivers Machine Screws Wire Stripper Wire Cutter Ham
8. e five radio bands three FM Bands FM1 FM2 and FM3 and two AM Bands AM1 and AM2 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 the Seek button to automatically seek the next strong and clear radio station Press and hold the Seek button until the screen shows MANU SEEK At this time you can manually fine tune your desired frequency Wait until the MANU SEEK to disappear in order to perform auto seek again 3 Automatic Store Preset Scan A Automatic Scan amp Store While listening to the FM Radio press and hold the APS Button for 3 seconds The receiver will automatically scan and save stations for all the 3 FM Bands whichever band FM1 2 or 3 you are listening to While listening to the AM Radio press and the APS Button for 3 seconds The receiver will automatically scan and save stations for the 2 AM Bands which ever band AM1 or 2 you are listening to B Scan Saved Stations Press the APS button or the AMS button on the remote control once to perform the scanning functions In FM mode press the APS button or the AMS button and the stations in that FM band will be scanned press the button in AM mode and scan the band stations of that AM Band 4 LIST button In radio mode press the LIST button to go to the preset stations list Press again to go to the function list You can select or change setting in the
9. he Power Button again to turn the TFT back on Press and hold the POW button again to turn the unit off 2 Mode Selection Press the MODE Button to cycle the Play Mode between RADIO USB SD and AUX in 3 Sound Control A Volume Use the VOL Button to adjust the volume level Turn the button clockwise to increase the volume and vice versa The larger the number of volume the higher the volume level B Bass Press the SEL Button until the display shows BAS Use the VOL Button to adjust When EQ is ON bass control is not available C Treble Press SEL Button until the display shows TRE Use the VOL Button to adjust When EQ is ON treble control is not available D Balance Press SEL Button until the display shows BAL then use the VOL Button to adjust the balance between the left amp right speakers E Fader Press SEL Button until the display shows FAD then use the VOL Button to adjust the balance between the front amp rear speakers F Preset Equaliser Function Press the SEL Button until the display shows EQ OFF then use the VOL Button to choose the equaliser sound effects The Sequence of equaliser setting will be EQ OFF POP ROCK CLASSIC G Beep On off Press the SEL Button until the display shows BEEP ON then use the VOL Button to turn the beep sound off The word BEEP OFF will be shown on the display H Loudness Press SEL Button until the displa
10. id short circuiting cover all disconnected lead with insulating tape There is a possibility of short circuiting if the leads are not insulated 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 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 Do not shorten any leads if you do the protection circuit may fail to work when it should 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 Since a unique audio I C 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 outputted through the orange lead Connect to an external power amp s system remote control or the car s Auto antenna relay control terminal max 300mA 12V If the car features a glass antenna connect to the antenna booster power supply terminal When an external power amp is being used with this system do not connect the orange lea
11. io Station 21 Previous Track Previous Radio Station 22 GO TO Button track selection 23 Aspect Ratio Button 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 2 Insert a CR 2025 Lithium battery 3 Insert the battery holder into the back of the remote control 1 2 3 D s P 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 13 Simple Troubleshooting Guide PROBLEM No Power Check whether the fuse is blown replace with fuse of proper value if necessary Unit stops responding or shows Press the RESET Button error in display Unable to receive radio stations Check whether the antenna is insert ed or the antenna is properly con nected if not insert the antenna or connect it properly Antenna may notbe of the proper length Make sure the antenna is fully extended If broken replace the antenna with a new one The broadcasting signal is weak The antenna is poorly grounded check and make sure the antenna is properly grounded at its mounti
12. 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 start ing installation Consult the vehicle s owner s manual for proper instructions 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 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 INSTALLATION DIN Rear Mount 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
13. lists by turning and pressing the volume knob In USB SD mode press the LIST button during audio playback in order to enter the song list Choose the desired song by turning and pressing the volume knob Press the LIST button again to leave the song list 5 Save your Preset Stations After choosing the preset stations in the list you can adjust the frequency by Seek and save it by pressing and holding the volume knob Alternatively you can choose the preset station in the list after adjustment then save it by pressing and holding the volume knob The newly saved preset station will be refreshed and it will show the new radio frequency 6 Mono Stereo Reception Control After choosing ST in the list you can turn ST on or off to select stereo or mono reception Improvement of reception of weak stations can be done by selecting ST OFF operation which may cut down some reception noise 7 Local Distance Reception Control After choosing LOC in the list you can turn LOC on or off to select local or distance reception Improvement of reception of distant stations can be done by selecting LOC OFF operation 8 RDS EON CONTROL This unit is equipped with the latest technology of EON control so that when 9 Radio Operation Con d you are listening to Radio or CD if there are any travel announcements from a nearby local station the radio will already know the frequency of that radio station Then it will receive the station
14. mer 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 VAT registered installer this is a require ment to validate the 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 Insert 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
15. ng location Poor effect on receiving a station Specifications GENERAL Operating Power 12 Volts DC Negative Ground WY ALIAS ee ERE SESIA 80w x 4 Output Wiring Designed for using four speakers only line out low level outputs 1000MV Output Impedance Compatible 4 to 8 Ohm Speakers PERI 10 amp Dimensions 178mm W x 78mm D x 51mm H VJ fee uuu E A 0 8 Kg FM TUNER TUNNO Rari 87 5 107 9MHz LESS Re 12dBu Stereo Separation 1 Khz 35dB AMITUNER WIKI 530 1710 KHz dici riali iii ea 30dBu 14 USERS MANUAL BV7254 DIGITAL MEDIA AM FM RECEIVER 30595 AUDIO SYSTEMS BOSS Audio Systems 3451 Lunar Court 93030 www bossaudio com 800 999 1236 tech support www bossaudio com support Olds 0114 iPod iPhone are trademarks of Apple Inc registered in the U S and other countries BOSS Audio Systems is not affiliated with Apple Inc
16. t Press this button again to resume the image 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 supplied to your unit otherwise damage will result to your unit 12 IR Remote Control Power On off Mode Switch Button Stop Playback Navigation Up Navigation Left Enter Button Change The Audio Output Method Navigation Down Band Select Type 10 Auto Preset Scan Repeat Play 11 Tuning Music Selection numeric key 17 12 Mute Sound Button 18 13 Time Clock Display Statistical Disc Information Display Button VOL lt cO 4 O19199 DOD AG L I Q N do lt 36 Haale a gt An N A N 10 Te s aa 21 15 Play Pause Function O 2 3 4 16 Sound Select Button 17 Navigation Right CSO 18 9 0 ne coro 22 19 Subtitle Language Switching Key 23 20 Next Track Next Rad
17. y shows LOUD OFF then use the VOL Button to turn loudness on The word LOUD ON will be shown on the display 4 Mute Control Press the MUT Button to activate the Mute function Press MUT Button again or use the VOL Button to cancel 5 HOME Button In Radio and Aux modes press the HOME button to go back to the home screen You can select different play modes by turning and pressing the volume knob Also you can enter the setup menu in the home screen In USB and SD modes during music or video playback press the HOME button once to go back to the directory page in which you can choose the desired file by pressing and turning the volume knob Press again the HOME button to go back to the home screen 6 SETUP Enter the setup menu in the home screen by turning and pressing the volume knob Turn the volume knob to each item you would like to set Press the volume knob in each of the item followed by turning the volume knob to adjust settings After adjusting press the vol ume knob to confirm Repeat these steps to finish the setting of other items You can adjust language date time brightness and master reset accordingly 7 Clock Press the clock button on the remote control to see the time during USB and SD modes The clock always shows itself during radio and Aux modes Radio Operation 1 Choose Radio Band Press the MOD Button to access the radio function Then press the BND button to choose among th
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