BOSS AUDIO MR752UAB Mpj-Compatible CD AM-FM Receiver

DESCRIPTION OF BUTTONS ON THE REMOTE CONTROL

1. POWER button
2. A.P button
3. SCN(SCAN) button
4. CLK button
5. MODE button
6. BND(BAND) button
7. Number(0~9) buttons
8. • button
9. MUTE button
10. T-M button
11. TEL button
12. CLEAR button

13. button

14.  PTY button
15. TA button
16. AF button

17. I/ DN and I<< /UP buttons

18. SEL button
19. + and – buttons

LOCATION AND FUNCTION OF CONTROLS

1. RELEASE BUTTON
2. POWER/MUTE BUTTON
3. CD slot
4. LCD
5. EJECT button
6. »I or
7. i« buttons
8. SEL button and VOL knob
9. 1/TOP/>il button
10. 2/INT button
11. 3/RPT button
12. 4/RDM button
13. 5/ HANGD UP button
14. 6/ TEL button
15. PTY/ MODE
16. AUX INPUT Jack
17. USB Port
18. BAND button
19. APS button
20. SD Card slot
21. RESET button
22. LED Indicator
23. SCAN button

Common Operation

1. To turn on/off the unit
   Press any button except the EJECT/ RELEASE button to turn on the unit. The unit will also turn on when a disc, SD card or USB stick is inserted.
   Press and hold the power button for more than 0.5 seconds to turn off the unit.

2. To select playback mode
   Press MODE button to select RADIO (TUNER) , DISC, CARD(after inserting SD card), USB(after inserting USB stick) and AUX mode.

3. To adjust the volume level
   Rotate the VOL knob to adjust the volume level during playback.

4. To mute or resume the sound
   Press the MUT E button to eliminate or resume the sound immediately during playback. To resume the sound immediately, user can also rotate the VOL knob.

5. To select and adjust the mode of the sound and menu

6. To select and adjust the sound mode:
   Press SEL button shortly and repeatedly to select the mode of VOL(volume ), BAS(bass ), TRE(treble ), BAL(balance) and FAD(fader) in the sequence and circulation.
   In each mode, the waiting time is about 5 seconds, and when the waiting time is over, it will return to the last display mode.
   After select a desired sound item, rotate VOL knob to adjust level of the selected sound item.

7. To select and adjust the menu mode:
   Press SEL button and hold for about 2 second to turn on MENU mode, and the LCD will display INVOL, then press SEL button repeatedly to select DSP/BEEP (ALL/OFF/2ND)/TAVOL/EON CON/OFF) /REG CON/OFF) /AF(ON/OFF)/TA(ON/OFF) /EQ CON/OFF)/LOUD(ON/OFF)/LOC CON/OFF, only for FM mode) /MONO/ST EREO(only for FM mode) /AREA(EUR/USA)
   After selecting a desired mode, rotate the VOL knob to select one setup item of the desired mode. DSP: in this mode, you can set the clock time. Rotate the VOL knob clockwise/counter clockwise to adjust the hours/minutes.
   BEEP ALL: the beep is generated when every key is pressed(except the power button, REL key and EJECT key).
   BEEP 2ND: the beep is only generated when an allotted double key is pressed long(1second).
   B EEP OFF: the beep sound is disabled.
   TAVOL: This function is to set the TA volume level from 0-45. When TA function is activated, if a TA  program is tuned in at the volume level set regardless of the volume of the other source at  the time.
   EON: In RDS mode, when EON is ON, the EON programs will scan automatically.
   Select EON OFF to ·stop the scan.
   LOUD: When the volume level is below half level, select LOUD ON mode to enhance bass sound. It is advised that LOUD ON mode not be select when the volume level is high.
   LOC: LOC ON mode improves reception in some areas where the signal is too strong.
   ( Note: LOC function only for FM mode.)
   STEREO/MONO: Select STEREO mode to improve the sound effect. Select MONO mode to decrease noise and make the sound more clear when the station signal is weak.

8. To reset the system
   Before operating the unit for the first time, or after replacing the car battery or changing the connections, you must reset the unit,
   Press the RESET button with a cuspidal object. This operation will erase the clock setting and some stored contents.

9. To remove the front panel
   Press the REL button to flip down the front panel from the unit chassis, then pull it up a little to remove jt from the unit. And the anti-theft LED indicator will flash all the time till the front panel is assembled back.

Radio Operation

1. To select radio band
   In RADIO mode, press the BAND button shortly and repeatedly to select your desired radio band in sequence and circulation as follows:
   –>FM 1–>FM2–>FM3–>AM 1–>AM2–>

2. To select for radio station manually or automatically
   Press >>I or I<< button to automatically search up or down for radio station frequency,
   Press >>I or I<< button and hold for about 2 seconds to activate MANUAL searching mode.
   Then press >>I or I<< button repeatedly to manually search up or down for your desired station from the current frequency.( If in MANUAL Mode and without further operation, the unit will change to AUTO mode a few seconds later.)

3. To store the current station or turn on the preset station In RADIO mode:
   A) Press one of 1-6 number buttons and hold for about 1 second to store the current station in the preset memory bank of the number button for the current band.
   When a RDS station is being stored, Pl, PS, AF list are stored.
   B) Press one of 1-6 number buttons to turn on the preset station stored in the preset memory bank of the number button for the current band.
   In RDS mode, the strongest AF is turned on after AF searching.

4. To automatically store for the strongest stations and scan for each stations
   A) Press APS button and hold for about 1 second, it will search from the current frequency and check the signal strength until 1 cycle search is finished on current band. Then, the 6 strongest available stations will be preset to the corresponding preset numbers. When the Auto-storage operation is completed, it will execute the Preset Scan continuously.
   B) Press the APS button to scan all preset stations in the memory of the current band and stay on each memory stations for about 5 seconds.
   To stop preset scan, press this button again.
   C) Press the SCAN button to scan the radio frequency. If a valid signal has detected, the current frequency will be hold and blinking for 5 seconds, then press SCAN again to stop and remain the current frequency; otherwise, the radio will go on to scan the other radio frequency 5 seconds later.

5. To tune for RDS station
   Press and hold PTY button for about 1 second, the PTY group is on, then rotate the VOL knob to select one of the following mode:
   <–>NEWS<–>AFFAIRS<–>INFO<–>SPORT<–>EDUCATE<–>DRAMA<–>CULTURE <–>SCIENCE<–> VARIED<–>WEATHER<–> FINANCE<–>CHILDREN<–>SOCIAL <–>RELIGION<–>PHONE IN<–> TRAVEL <–>LEISURE<–>DOCUMENT < –>ALARM <–>POP M< –>ROCK M<–>EASY M<–>LIGHT M<–> CLASSICS<–>OTHER M <–>JAZZ<–>COUNTRY <–>NATION M<–>OLDIES<–>FOLK M<–> TEST
   After selecting one of the PTY programs, press »I or l«,it will automatically search for the station of the PTY program. If the station of the PTY program does to exist, it will display PTY NONE and then return back to the previous radio.

6. To alternate the weak signal in RDS station with a strong one
   Press SEL button and hold for about 1 second to turn on MENU mode, then press SEL button repeatedly to select AF mode, rotate the VOL knob to select AF ON, then AF flash in display. When AF switching mode is selected, the radio checks the signal strength of AF all the time. The interval of checking time of each AFs depends on the signal strength of current station, from a few minutes for the strong station to a few seconds for weak station. Every time that new AF is stronger than current station, it switches over to that frequency for very short time, and NEW FREQUENCY is displayed for 1-2 second. Because the mute time of AF switching or checking time is very short, it is almost inaudible in case of normal program. (When AF flashes on LCD, it will search for RDS station. If AF and TP flash on LCD, it can only search for traffic announcement station) .
   During FM mode, when AF is on, SEEK, (SCAN), AUTO MEMORY function can only receive and save RDS program.

7. TA [TRAFFIC ANNOUNCEMENT]
   Press SEL button and hold for about 1 second to turn on MENU mode, then press SEL button repeatedly to select AF mode, rotate the VOL knob to select TA ON, then TA flash in display.
   A) When TA mode is on(TA is displayed on LCD), it will begin to seek TA station and TA SEEK will be displayed on LCD for a while.
   When traffic announcement is transmitted:

8. If the unit is in SD, USB or disc mode, it will switch to radio mode temporarily.

9. Temporarily switch over to an EON linked station when EON detects a traffic announcement on that other program, and TP will be displayed on LCD.

10. If volume level is below 20, volume level is raised to 20, and returns to its previous mode and volume level when the traffic announcement is over.
    If volume is adjusted during traffic announcement, only the traffic announcement volume is valid.
    TA interruption function:
    The current traffic announcement is canceled by pressing this key. But the TA mode will not be off.
    When TA is on, SEEK, (SCAN), AUTO MEMORY function can be received or saved only when traffic program identification code has been received.

USB or Disc Operation

1. To load/unload disc
   Press the REL button to flip down the front panel and then insert the disc into the disc slot or press
   the EJ button to eject the disc.

2. To load/unload SD card or USB
   When playing SD or USB, insert the SD card or USB stick into SD slot or USB port. T hen the playing mode will be changed into SD or USB mode and display CARD or USS on LCD(When SD card and USB stick are both inserted into their slot or port, the playing mode will be changed into the mode of the later one), and then play the first track of SD or USB. When needing to pull out the SD card, firstly press MMC/SD card once, then pull it out.

3. To select the next or previous track to play
   Press the >>I button to play the next track.
   Press the I<< button to play the current track from the beginning of the current track.

4. To select the next or previous 10 tracks to play
   In SD, USB, or MP3/WMA disc playback mode, press the 6 or the 5 buttons to move up or down 10 tracks at a time.
   When the remained total track is less than 10, both buttons are inactive.

5. To play fast forward or backward
   During normal playback, press the>>I or I<< button and hold to skip forward or backward. Release to resume normal playback

6. How to use the PLAY/PAUSE/TOP button
   During playback, press the 1/>II button to pause SD, USB or Disc playback. Press again to resume MMC/SD, USS or Disc playback.
   Press TOP/>II button and hold for about 1 second to play the first track.

7. To scan tracks
   In disc, SD, USB playback mode, press INT button to display INT RO on LCD then play the first 10 seconds part of each track of all.

8. To repeat track(s)
   In disc , SD or USB playback mode, press RPT button to display RPT ONE and play the current track repeatedly. Press RPT button again to cancel this function.
   Press and hold the INT button to play the 10 first seconds of each track in desired folder, and D-INT indicator will be displayed on LCD.
   To disable the INTRO function, press again INT button and current track will be playing normally, and INT OFF indicator disappears from LCD.

9. To play tracks in random
   In disc SD or USB playback mode, press ROM button to display RANDOM and play the track of all in
   random order, press BAND button again to cancel this function.

10. To quickly select the track in MP3/WMA format to play
    In SD, USB or MP3/WMA disc playback mode, press APS button, it is activated as cyclical selecting
    song mode as following
    -> T RACK SERIAL NUMBER SEARCH
    -> FIRST CHARACTER SEARCH
    -> DIRECTORY SEARCH
    A) In T RACK SERIAL NUMBER SEARCH mode, the LCD will display 001— and flash the biggest digit 0
    that the SD card, USB or MP3/WMA disc contains. Rotate the VOL knob to select the number of the flashing digit from O ~ 9. T hen press SEL button to confirm and flash next smaller digit 0. With the same means, select the number of the flashing digit. After finishing inputting the number of all flashing digit, press the BND button to play the track of the corresponding number.
    B) In FIRST CHARACTER ER SEARCH mode, the LCD will display A– and flash the first character.
    Rotate the VOL knob to input characters by the order of A~Z and 0~9. Press the SEL button to confirm and flash the next character. With the same means, select the character of the flashing place. After finishing inputting all the 3 characters, press the BND button and then matched files will be scrolling on the LCD by rotating the VOL knob. Finally press the BND button to play the track. If there is not any file matched, NO MATCH will be displayed and then it will return to the beginning of this track search mode for input again.
    C)** In DIRECTORY SEARCH mode, the LCD will display the root folder (where is not the root folder, it will find a root folder named ROOT ). Rotate the VOL knob to select your desired folder and press BND button to play the first track in the selected folder.

11. ESP and 1D3 Function
    In SD, USB or MP3/WMA disc mode, during playback, the information of the file name, folder name, title, artist and album will be scrolling on the LCD display. As long as the current playing MP3/WMA music contains relevant ID3 tag information in version 1.0/2.0 format, the 3 items underlined above will be scrolling on the LCD display. Otherwise, they will not.

Bluetooth Handsfree System

1. Pairing and Connection

2. Turn on the Bluetooth mode of the mobile phone;

3. Select Finding the Bluetooth Device. After searching is finished, it will show the name of the Bluetooth Device available. Select it and switch to the interface for password,
   Input the password 0000 and enter it. Then it will show pair OK ..

4. For some mobile phones, they can automatically connect with the BT dvice of the car audio system and after pairing is ok; for some mobile phones, they need to select the paired BT device and press the CONNECTION button. When connection is OK, the LCD of the car audio system will show CONNECT.

5. Use the mobile phone to do connection or disconnection
   A) Use the mobile phone to do connection or disconnection

6. In the connection status, find the paired and connected Bluetooth Device, then press the disconnection button to do disconnection.

7. In the disconnection status, find the paired and disconnected Bluetooth Device, then press the connection button to do connection.
   B) When turning on the power again (after Ace off), the front panel can search the phone that was paired automatically and be connection. And it will take you about 10-15 seconds.
   Note:

8. Bluetooth icon appears on LCD only when in connection status

9. In the connection status: Mobile phone transfers to the car audio whenever a dialing takes place; Mobile phone transfers to the car audio whenever receiving a call.

10. Dialing when in connection status
    A) Dial with the mobile phone directly.
    B) After inputting the phone number via mobile phone, press the TEL button to execute the dialing. Notes: The talking time will appear on LCD if dialing is successful and it is received.

11. Accept/ End Call
    A) During ringing, press TEL button to accept the call
    D) During talking, press HAND UP button to end the call.

12. Talking volume level setting
    At talking status, use the VOL knob to adjust the sound output, but this volume level can’t be reserved.

13. To transfer the audio of a file played by a Mobile Phone to the Car Audio Player

14. If the mobile phone supports A2DP and could play audio or video files, when the Mobile Phone plays audio (For some Mobile Phones, you must select Play by BT first), the playing will be transferred to the Car Audio Player.

15. In A2DP mode, if the Bluetooth device of the Mobile Phone support AVRCP, the functions of the >>I, I<< and PLAY/PAUSE buttons are the same as one in disc mode(no fast forward /backward functions _for
    the >>I/I<< buttons). The other buttons available in disc mode are not available.

16. In A2DP mode, if the Bluetooth device of the Mobile Phone supports AVRCP, pressing the MODE button will switch between the radio, disc, USB, CARD and A2DP. After entering A2DP mode again, it will resume playback after you press the PLAY/PAUSE button.

17. In A2DP mode, if switching the music play mode to the radio mode, music will resume in about 10 seconds.

INSTALLATION

INSTALLATION METHOD

This is an anti-theft installation method.
The main unit wears a METAL MOUNTING SLEEVE.
Please connect the wiring, eg, the Power Supply, the Speakers and the Antenna according to the requirements of this Instruction Manual, then install the metal mounting sleeve into the car as per the diagram illustrated below .

NOTE

WIRING

Note: IF YOUR CAR DOES NOT HAVE ISO CONNECTOR YOU CAN PROCURE IT FROM ANY ACCESSORY SHOP

Important
IF FIXED-ISO CONNECTOR IS CUT, THE GUARANTEE WILL BE VOID.

SPECIFICATION

GENERAL
Power supply requirement. …………………………………………… DC 12V
Current consumption …………………………………………………. 1 OA MAX
Maximum power output …………………. .4X60W(Measured at 14.4V)
Number of channels ………………………………………………… 2 STEREO
Chassis dimensions …………………………….. 178[W] X SO[H] X 165[0]

FM SECTION
Frequency range ………………………………………….. 87.5MHz -107.9MHz CUS)
87.5MHz-108MHz (EU)
Usable sensitivity ……………………………………………………………….. 3uV
I.F Frequency …………………………………………………………….. 10.7MHz

AM SECTION
Frequency range …………………………………………. 530KHz – 171 OKHz(US)

522KHz-1620KHz(EU)
I.F Frequency ……………………………………………………………… 450KHz
Usable Sensitivity …………………………………………………………… .40dB ·

LINE-OUT
Output ……………………………………………………………… MAX 1200mV

CD/MMC/SD or USB PLAYBACK
System ………………………………………………………. MP3 audio system
Usable disc ………………………………….. CD/CD-RICD-RW/MP3/WMA
Frequency response ……………………………………… 20-1 OOHz <= SdB

10-20KHz <= SdB
Signal-to-noise ratio(CD) ……………………………………….. SOdB [1KHz]

3451 Lunar Court Oxnard, CA 93030
www.bossaudio.com
800.999.1236
tech support: www.bossaudio.com/support

Limited Warranty

THIS PRODUCT IS WARRANTED FOR A PERIOD OF ONE YEAR FROM THE DATE OF PURCHASE AGAINST DEFECTS IN MATERIALS AND WORKMANSHIP. THE WARRANTY IS FOR REPAIR OR REPLACEMENT AT THE SOLE DISCRETION OF THE SELLING DEALER. IF WE CHOOSE TO REPLACE YOUR PRODUCT, WE MAY REPLACE IT WITH A NEW OR RECONDITIONED ONE OF THE SAME OR SIMILAR DESIGN. THE CUSTOMER WILL BE RESPONSIBLE FOR FREIGHT CHARGES INCURRED TO RETURN THE PRODUCT AND WILL INCLUDE A CASHIER’S CHECK OR MONEY ORDER IN THE AMOUNT OF $20.00 FOR CONTINENTAL U.S. OR $35.00 FOR HAWAII, ALASKA, CANADA, AND PUERTO RICO, PAYABLE TO BOSS AUDIO SYSTEMS TO COVER RETURN SHIPPING AND HANDLING. YOU MUST SEND A COPY OF THE ORIGINAL INVOICE WITH DATE OF PURCHASE. PLEASE ENCLOSE A LETTER STATING THE PROBLEM YOU ARE HAVING WITH THE PRODUCT, YOUR DAYTIME PHONE NUMBER, AND YOUR RETURN SHIPPING ADDRESS (NO P.O. BOXES, PLEASE). PLEASE CONTACT US TO RECEIVE A RETURN AUTHORIZATION NUMBER (RA#) BEFORE SENDING YOUR DEFECTIVE ITEM.

THIS WARRANTY DOES NOT COVER ANY UNIT SUBJECT TO ABUSE, NEGLECT, INCORRECT WIRING, WATER DAMAGE, OR ANY REPAIR OR MODIFICATION PERFORMED BY SOMEONE OTHER THAN A BOSS AUDIO SYSTEMS REPAIR TECHNICIAN. ANY DAMAGES RESULTING FROM LEGAL ACTION FOR BREACH OF EXPRESSED OR IMPLIED WARRANTIES SHALL BE LIMITED TO THE COST OF THE ORIGINAL PURCHASE PRICE OF THE UNIT. AS A CONDITION OF THIS WARRANTY, IT IS AGREED THAT THE REMEDY PROVIDED IN THIS DOCUMENT IS THE SOLE REMEDY UNDER THIS WARRANTY. ALL LIABILITY FOR COINCIDENTAL DAMAGES IS EXCLUDED. THE PURCHASER AGREES TO RETAIN THE ORIGINAL PROOF OF PURCHASE FOR ESTABLISHING THE EFFECTIVE DATE OF THIS WARRANTY. SHOULD BOSS AUDIO SYSTEMS OR AN AUTHORIZED DEALER REPLACE YOUR PRODUCT UNDER WARRANTY, THIS REPLACEMENT SHALL BE CONSIDERED A TRANSACTION/ON UNDER THE ORIGINAL WARRANTY AND DOES NOT EXTEND THE ORIGINAL WARRANTY PERIOD. THIS WARRANTY IS NON-TRANSFERABLE.

Free Extended Warranty Program

When you purchase directly from BossAudio.com, one of our “Authorized Platinum Online Dealers” or have your product installed at an authorized Boss Audio dealer at the time of purchase, you qualify for a free extended warranty on the product you purchased as shown below.

Mobile Video & CD and DVD Receivers: 3 Years Total
Boss Audio will extend the warranty for an additional two years, 3 years total, directly to the original consumer.

Woofers, Speakers, ATV/UTV, and Motorcycle Sound Systems: 3 Years Total
Boss Audio will extend the warranty for an additional two years, 3 years total, directly to the original consumer.

Amplifiers: 6 Years Total
Boss Audio will extend the warranty for an additional five years, 6 years total, directly to the original consumer.

Other Electronics and Accessories:

There is No extended warranty available.

Terms and Conditions: Purchases made online from dealers other than Bossaudio.com or an Authorized Platinum Online Dealer listed on this site do not qualify for the free extended warranty program. The online extended warranty program cannot be combined with the Installation Extended Warranty program. The extended warranty is valid only on purchases made and shipped within the US and covers parts and labor to repair only. This program is effective as of 3/1/2015. Any purchase made prior to this date will not qualify for this program. All other conditions of the original warranty apply. To see a list of Authorized Platinum online Dealers, please click here.

To get service on any product that falls under the Extended Warranty (800)999‐1236 ext. 2239 or email to:
http://bossaudio.com/support/, an original or copy of the dated purchase receipt is required to validate the warranty and a statement of the problem with the product is needed.

References

• BOSS Audio Systems | Life at Full Volume

Read User Manual Online (PDF format)

Read User Manual Online (PDF format)  >>

Download This Manual (PDF format)

Download this manual  >>