BOSSCO MR634UAB User manual

USER'S MANUAL
MR634UAB
T ® I Fl II IV ly1/\DINIZCI"\
MP3-COMPATIBLE DIGITAL MEDIA
AM/FM RECEIVER
MA834UAB
~---=-.:...-·- --- ··----·-- ~";:_~-::
0 Bluetooth ®
,:: ·~ . ~ ~ [j)
w ®

CONTENTS
Precautions .. ................................................. .. ................... .. ... .. .............................. .. .................................. 1
Lithium Battery Cell Warnings .................................. .. .. ... ... ... ............................................................................... 1
Use Cautions .................................................................................................................................... .... ..1
Installation .............. .. ..... .. ................. .... .................................................................. .. .................................. 2
Installation Procedures ... .................................................................................................... .. ................. 2
Installation Opening ... ....... .. ................................................................................ .... .............. .. ....... .. .......2
Wiring Connections.................................................. .... ................. .. ...... .... .................................... .. ....... 3
Uninstall the Main Unit ............ ... ........ .. ................... .. .. .. ....... .. ............... .. ...............................................3
Control Panel Button Locations...................................................................... ... ......................................... 4
Operation ................................................................................................................................. .. . .. ............. 4
Power/ SRC •·•••••••••••···•••················••••···································································································· 4
Change the Source (SRC) ...................................................············.................. .. ................................. 4
Store/Recall Preset Stations (1 -6).......... .... ....... .. .................................................................................4
Play/Pause, Intro, Repeat, Random, Tracks playbaGk...............•...•.. .. ............................•..........• •· .. •••.... 5
Track/Folder Navigation ·· .. ·· .. ·· .. ·· .. · .. ·· .. ·· .. ···· .. ··· .. ············..······ .. ·· .. ·· .. ······························· ·· ······· .. ·· .. ·······5
Set the Clock (CLK} ....................................·....... .. .............. .. ·· .. · .. ............······· .. ···· .. ··············......····· ···· · 5
Adjust Volume (VOL) · ···· ············...................................... .. ............................... ·· ··················...........······5
Switch Between US and EU Frequen cy ................ .. .......................................... .......... ..... .... ........ .. ........5
Manual Tuning (I<< I >>I} ........................................................ .. ................................. .. ........................ 5
Auto SeekTuning (I<< I >>I).................................................................................................................. 5
Next/Previous Track •• .... •• .. •• • ••••••••••• .. •··• • •·•••••• .. ••••••·••••••••• .. •• .. •••••• .. •• .. ••••••••••• ••· • •• .. •• .. •• .. ••••• • ••• .. •••··•• ••• • ••• 5
Fast Forward/Backward •······························································ ·· ··················· ·· ······ ······ ···················· ·· 5
Change Bands (BAND)········ ... ·.................................................................................................... .. ... .. ... 6
Automatic Music Search (AMS) • ·· ········ ···· ····· ·· · ····..·· ···............ ...... ............... .... ....... .. ............................ -6
Track Search......· .. ·· .. ·· .. ··········........··..·············· .. ·..······..······..........·····.. ·· .. ··.. ·····························..·········· 6
Mute .............. .. ............ .. ........................................................................................................................ 6
Insert USB · .. ·· .. ·· .. ·· ·· ......·· .. ·· .. ....·· ·· ·· ·· ··.....·········...········..······..··..·········......········· .... ·········..··..····· .. ········· 6
AUX In Jack ................. .... ..................................................................................................................... 6
Release Panel .. ·· .. ······ .. ········......··..·········· .. ·········..······ .. ······ .. ·· .. ·········......······ .. · .. ······..········· .... ·····..·· .. ··6
Reset System (RESET) ..·· .. ······ .. ··· .. · .. ·····..·· .. ············....· .. ············· .. ·· .. ·············..··..······················ ..·· ·····7
Bluetooth Operation.. .. ................ .. ............... .... ...................... .. ............................................ .. ..................... 7
Pair and Connect...................................................................................................................................7
Make a Call . ...... ..................... .. ........................... .. .. ................. .. ... .... ......................... .. .......................... 7
Redial Last Dialed Number ............... .. ....... .. .. .. ........ .. ................ .. ......................... .... .................... .. ...... 7
Answer a Call........... .. ..................... .. ........................ ... ............................ .. ............................................ 7
End a Call ........... ...... ............................................................................................................................. 7
Switch Audio Between Car and Phone ..................................................... .. ........................................... 7
Adjust Talk Volume................................................................................................................................. 7
Bluetooth Music (A2DP) .. ....................................................................................................................... 7
Remote Control ...................... .. ...................................... .. ........................................................ .. ...............8
Remove Insulating Sheet.................................................................................·...................................... 8
Replace Lithium Battery Cell...................................... .. ............................................................. .. ........... 8
Remote Control Operation........................................................................ .. ............................... .. .......... 8
Button Names and Locations... .. .. .... .............. .. ...... .. .............................................................................. 9
Troubleshooting.................................................................. .. ............... .. ... .... ...... .. ... .. ............. .... ...............1o
Specifications . .... ................................................................. .. .................................................................... 11
-

PRECAUTIONS
Lithium Battery Cell Warnings
• Cell leakage may cause damage to the remote control.
Do notthrow cells into fire, as this may cause an explosion.
Keep battery cells out of reach of children.
Use cautions
•
•
•
•
•
To reduce the risk of fire, electric shock, and annoying interference , do not
repair yourself. Please refer serving to qualified person .
Some MP3/WMAfiles may not be playable.
Keep lower volumes to concentrate on traffic and road conditions for safety driving .
If users' car is under sunlight for sometime , please lower the temperature
inside the car then start the player operation .
If the battery is disconnected or discharged or changed , the
preset memory will be erased and must be reprogrammed .
Installation of unit is better at a horizontal position , or if it is at an angle , it
may be not working at its best situation.
Never use force or grip the display and the buttons tightly when removing or attaching ,
Be sure to lowerthe volume before switching off the unit or the ignition key.
1111

INSTALLATION
Installation Procedures
First complete the electrical connections and then check for correctness.
Installation Opening
This unit can be installed in any dashboard Having an opening as shown below.
[ ]:.05 inch
1
----~µ_
- -- 7.20 inch -- -+J
Insert mounting collar into the dashboard and bend the mounting tabs out with a screwdriver.
Make sure that lock lever(* )is flush with the mounting collar( not projecting outward).
-

INSTALLATION(CONT.)
- Only use speakers with 4 ohms impedance.
- Do not attach the control panel to the chassis before wiring is complete.
- The maximum current of the Amp Remote trigger is 200mA.
Wiring Connections
WIRING
DIAGRAM
White:Front Left PRE- AMP Output
Red : Front Right PRE - AMP Output
Red: Rear Right PRE - AMP Output
White: Rear L eft PRE-AMP Output
Purple+
Rear Right Speaker l)====l
Purple / Black -
Gray+
I I I I
I I I I
I I
I I
t
f1sAMP~
H--- -- FUSE REPLACEMENT
WITH ATO TYPE ONLY
L======<I Rear Left Speaker
Green/Black -
CAUTION
+12V DC
NEGATIVE
GROUND
White +
Front Right Speaker ll==== l=======<I Front Left Speaker
ACC + (Red)
GND -(B lack )
ANT+ (B lu e)
Power B + (Yellow)
Gray/Black - White / Black -
Uninstall the Main Unit
1. Remove the plastic trim out from the main unit.
2. Insert a bracket key into the left and right side of the main unit and drawthe unit out of
the mounting sleeve.
-

CONTROL PANEL BUTTON LOCATIONS
D fJ Ill
Ill II
m mom
OPERATION
1.POWER/SRC
Press the POWER button to turn on the unit.and long press it again to turn off the unit.
When the unit turn on.short press POWER/SRC button to switch the unit between
RADIO, USS, BT, AUX IN.modes (if there are USS inside the unit).
IE Im
1/. If there is no USS, then it will be only radio , BT and Aux. When the user insert a USS flash driver,
their respective logos will illuminate on the display.
2-7.(button 1 to 6) PRESET MEMORY BUTTONS In Radio mode
To memorize the frequency . press one of the six preset buttons(1-6) hold for more
2"S,the frequency is su<?cessfully stored.
Therefore there are FM1 ,FM2,FM3,AM1 & AM2,each band can store 6 stations.so total
30 stations can be stored.
To recall the preset momory station,press one of the preset buttons(1-6) plus
the BND buttion for FM1 ,FM2,FM3.AM1 & AM2. -

OPERATION
During USB mode, press the '1/>II' button to pause or resume music playback.
Press the '2/1 NT' button to play the first 10 seconds of each track, press again to stop the introduction
scan, and play the current track.
Press the '3/RPT' button to toggle between RPTALL (Play all track), RPT FLR (Continuously repeats all
tracks in current folder) and RPT ONE (Continuously repeats current track).
Press the '4/RDM' button to play all tracks in random order, press again to cancel random playback.
During USB mode, press '5/-1 0' button to go backward 10 tracks.
Press '6/+1 0' button to jump toward 10 tracks .
During USB mode, long press '5/-1 0' button to go back 1 folder.
Long press '6/+10' button to go up 1 folder. You can repeat this function depending on
the number of folders. This button will have no function if the USB or SD card has no folders.
8. CLK
Press the CLK button once to display the real time, With time appearing on the display.Press and hold
CLK button for more than 2 seconds until the hourflashes. You can adjust the HOUR by pressing the
»1 button and 1« button. Then press the CLK button briefly, the minute will flash, you can adjust the
MINUTE by pressing the » 1 button and 1« button.
Finally press the CLK button to confirm the time adjustments.
9. VOLUME adjustment
Rotate the volume knob to increase ordecrese the volume level of the sound output.
Press the SEL button on the front panel or on the remote control repeatedly to cycle through the
following adjustable audio functions: ILL MID/HI/LOW, BASS, TREBLE, BALANCE, FADER, EQ OFF,
CLASS/ROCK/POP/ FLAT, LOUD ON/OFF, DX/LOC, STEREO/MONO, CLOCK 12/24, AREA US/EU.
• Rotate the VOL knob on the front panel or press the VOL+ A NOL- • button on the remote control
to adjust the selected item.
-ILL MID/HI/LOW: This receiver is equipped with 3 brightness settings.
Rotate the volume knob to preset the illumination to middle, high or low.
-BASS: -7,-6, -, -1 ,0, +1 ,- , +6,+7
-TREBLE: -7,-6, - , -1 ,0, +1 , -, +6,+7
-BALANCE: L7 ,L6, -, L1, 0, R1 ,- ,R6,R7
-FADER: R7,R6-,R1 ,0 , F1 ,- ,F6,F7
-EQ(Equalizer) Setting: OFF, CLASS, ROCK, POP, FLAT
-Loudness: LOUD ON/OFF
-DX/LOCAL: Enables or disables the local broadcast mode (LOCAL).
-Stereo/Mono: Switches between MONO and STEREO reception mode for radio frequencies.
-CLOCK 12/24: Select between 12 hours and 24 hours display.
Note: If 12 hourdisplay is selected , AM= Morning; PM= Afternoon
-AREA US/EU: This car radio is equipped the USA/ Europe frequency.
-
Rotate the volume knob to switch between USA and Europe frequency.
The system will change the frequency setting in about 3 seconds.

OPERATION
10.FF(>>I) &11.FB(I<<)
In the radio mode:
Long press the » 1 or 1« button for more than 2 seconds, the unit will switch to manual tuning
mode, briefly press the »1 or 1« button to search the next or previous frequency step by step.
Short press the »1 or 1« button, the automatic search will start, it will search upward or downward
for the strong signal radio station within the cuttent band. The auto searching will stop until find a
station.
In the USB mode:
Briefly press the » 1 or 1« button to play the the next or previou track.
Press and hold the » 1 or 1« button to fast forward or fast backward.
12.BND/AMS
In radio mode.short press the BND/AMS button repeatedly to select the one of the radio band : FM 1,
FM 2,FM 3, AM1 ,AM2 in a cycle sequence. When you selecta band, the word F1 , F2, F3 for FM band,
and A1,A2 for AM band will be shown on the LCD display.
Press the BND/AMS button for several seconds.the radio searches form the current frequency and check
the signal strength until one cycle search is finished. When the 6 strongest stations will be stored into
the corresponding preset numberwithin the current band. Short press the AMS button on the remote
control to scan each preset station in each band.
During USB playb ac k, press and hold the BND/AMS button to enter track search mode, the "TRK0000"
will appearon the display. Rotate VOL knob to select the "first number ". Then press the 1« button to
move the "first number" to the left and enterthe next number. Finally press the SEL button to
confirm and play the selected track. If no any operation in 5 seconds.it will play the current track.
13. MUTE
Short press the MUTE button to turn MUTE ON/OFF, when it is on, the MUTE will be flash on the LCD
and no sound output. When short press again itwill be cancelled.
14. USB PORT
15. AUX IN JACK
16. ~
If you want to reset the unit, remove the front panel from the head unit, press the £ button to detach the
press the £ button to detach the front panel.
17 . RESET
To reset all parameters to factory default values. Press the £ button to detach the control panel form
the head unit and remove the control panel,then use a subject with a sharp point end to thrush the
RESET hole.
-

BLUETOOTH OPERATION
Pair and Connect
Prior to using the Bluetooth device as a handsfree system for a Bluetooth-enabled mobile
phone for the first time, you must pair and connect the two devices as follows:
1. In any mode, prior to pairing and connecting, the BT logo flashes in the LCD indicating
that no device is connected. To begin pairing, enable BT mode on your mobile phone.
2. When the phone finds the car audio system, the "BOSS MR634UAB" will be displayed.
3. Choose the "BOSS MR634UAB" from the device list to pair and connect with the car audio
audio system. Upon confirming, the BT logo will stop flashing.
4. When pairing is complete, the mobile phone audio will automatically transfer to the car
audio system whenever a call is made or received, or when the mobile phone plays
music.
Make a Call
• To make a call, dial the call directly from the paired mobile phone.
• To make a call with this Bluetooth handsfree system.
a) When linking up the Bluetooth mobile phone to this car audio handsfree system, press
the ~ button to access the dial telephone number mode, then press the "0~9", *and#
button on the remote control to input the telephone number, the entered numberwill be
shown on the LCD.
b) If a number has been incorrectly input, press the DEL button or !:.! button to delete it.
c) Press the ~ button to make outgoing call.
Redial Last Dialed Number
Press and hold the ~ button on the control panel to redial the last dialed phone number.
Answer a Call
• When the mobile phone is called, the incoming telephone number displays in the LCD.
• To receive the call, press the ~ button on the control panel or remote control.
Reject or End a Call
To reject the call or end an active call, press the !:.! button.
Switch Audio Between Car and Phone
During a call, press the VOL knob/button to switch the audio source from the car audio
system back to your mobile phone.
Adjust Talk Volume
• During a call, use VOL knob or VOL+ and VOL -buttons to adjustthe volume level.
• Use the MUTE button to mute sound.
Audio Streaming (A2DP)
1. Press the C!.>/SRC button to enter BT mode and display pause in the LCD.
2. When a mobile device is paired, music played through that device will automatically be
heard through the car audio system.
3. Press the >>I or I<< button to play the next or previous song/file on the mobile phone.
4. Press the >II button to pause or resume music playback.
-

REMOTE CONTROL
Remove Insulating Sheet
The remote control comes with an insulating sheet
attached to the underside of the remote control, as
illustrated on the right. The remote control will not
work until the insulating sheet is removed.
Replace Lithium Battery Cell
1. When the lithium cell battery becomes weak,
replace it as illustrated on the right.
2. Press and hold the movable block in the
direction indicated by arrow 1. At the same
time, pull the cell holder out of the remote
control in the direction indicated by arrow 2.
3. Replace the old cell with a new one, maki ng
sure the(+) polarity is facing upward.
4. Re-insert the cell holder into the remote
control.
A -Cell leakage may cause damage to the remote control.
-Do notthrow cells into fire, as this may cause an explosion.
-Keep battery cells out of reach of children.
Remote Control Operation
Position the emitting window of the remote control
toward the sensor window of the unit.
• The operation angle for front panel remote control
reception is about 30 degrees.
• The distance between the emitting window of the remote control and the sensorwindow
of the unit should remain less than 5 meters.
1111

REMOTE CONTROL
Button Names and Locations
1. CD (Power on/off) button
2. VOL+NOL-(volume increase/decrease) button
3. Band button, ~ (answer call) button
4. PREV: tune down, seek down;
Previous Track, fast reverse
5. SEL(selection) button
6. NEXT: tune up, seek up; Next Track, fast forward
7. Mute button, DEL(Delete) button
8. CLK(clock setting) button, !:! (end call) button
9. ► II button, preset station 1 button, keypad 1
10. INT(intro) button, preset station 2 button, keypad 2
11. RPT(repeat) button, preset station 3 button,
keypad 3
12. ROM (random), preset station 4 button, keypad 4
13. -1 0(previous 10 tracks), preset station 5 button,
keypad 5
14. +10(next 10 tracks), preset station 6 button,
keypad 6
15. ST(stereo) button, keypad 7
16. LOUD(loudness) button, keypad 8
17. AMS(automatic music search) button, keypad 9
18. SRC(Source) button, keypad *
19. EQ(Equalizer) button, keypad 0
20. LOC(local)/DX button, keypad #
4
7
9
10
12
13
15
18
19
14
- 16
17
20
Note: When using the remote control forthe first time, you must pull out the portective plastic
tab from the battery compartment found on the back of the remote control.
-

TROUBLESHOOTING
If you suspect something is wrong , immediately switch power off . Do not use the unit in
abnormal condition, for example without sound , or with smoke or foul smell , can cause fire or
electric shock .
Immediately stop using it and call the store where you purchased it. Never try to repair the
unit by yourself because it is dangerous to do so.
■ General
1) Car's engine switch is not on.
Turn you c ar's key toACC or ON.
2) Cable is not correctly connected.
Check the connection.
3) Fuse is burnt.
Replace fuse .
4) Volume is in mute or minimum.
Check volume or mute on/ off , adjust volume to a desired level.
5) Sound skips.
The installation angle is more than 30°. Adjust the installation angle less than 30°.
6) The operation keys do not work.
The built-in micro- computer is not operating properly due to noise . Press the RESET button
to restore the program to zero .
■ Radio
1) Much noise in broadcasts.
Station or signal is too weak . Select other stations of stronger signal level.
2) The antenna cable is not connected.
Insert the antenna cable firmly into the antenna socket of this c ar radio .
3) Preset station is reset.
Battery cable is not correctly connected . Connect the battery cable to the terminal that is
alway s live .
■ USB
USB is connecting but no sound
a) USB connection is not good. Take it out and insert again .
b) USS is damaged or no music file inside . Change to another USB, or record music inside it.
-

SPECIFICATIONS
General
Power supply Requirement :
Maximum power output :
Speaker impedance :
Unit Dimensions(WxHxD) :
Weight :
Fuse:
RADIO
FM
Frequency Range USA/ EUROPE:
Channel step:
AM
DC 12V
50WX4CH
4 - 8 Ohm
7.0 X 2.0 X 3.8 inch
1.54 Lb (0.7 kg)
15A
87.5 MHz -107.9 MHz/ 87.5 MHz -108.0MHz
200 KHz / 50 KHz
Frequency Range USA/ EUROPE: 530 KHz -1710 KHz/ 522-1620 KHz
Channel step: 10 KHz/ 9 KHz
USB
Usable Audio Formats:
USB Port Type:
USB Charging:
Pre-amp Output:
Frequency Response :
S/N Ratio:
BT
BT Profile supports:
Range of frequency:
-
MP3/WMA
2.0
5V/1A
Front and Rear
20 Hz - 20 KHz
60d8
Headset , Handsfree and A2DP & AVRCP
2.4GHz spectrum

MR634UAB
BLUETOOTH® I FULLY MARINIZED
MP3-COMPATIBLE DIGITAL MEDIA AM/FM RECEIVER
ao~s
AUDIO SYSTEMS
3451 Lunar Court • Ox nard , CA 93030
www.bossaudio.com
800-999-1236 US Toll-free
805-751-4853 Customer Service
Tech Support: www.bossaudio . com/support/techn i cal-support
@CER
-
iPod® and iPhone® are trademarks of Apple, Inc. registered In the U.S. and other countries.
BOSS Audio Systems is not affiUated with Apple, Inc. or Google, Inc.
The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks
by BOSS Audio Systems is under license. Olher trademarks and trade names are those of t he ir respective owners.

THANK YOU
from BOSS AUDIO SYSTEMS
FOR YOUR PURCHASE
There's a reason we have been a leader and innovator
in the business since 1987 .
Our goal is for you to be completely satisfied wi th your purchase.
If for any reason you are unsatisfied, please let us
be the first to know .
Contact our Customer Care dept. at 805. 988.0192
WE WANT YOUR POSITIVE FEEDBACK AND REVIEWSf
www.bossaudio.com
1115

PLEASE WRITE A REVIEW on
Amazon.com and BOSSaudio.com
*****
510~S
AUDIO SYSTEMS
SHARE YOUR
BOSS Audio Systems photos and videos
on our website and Facebook!

510~S
AUDIO SYSTEMS
LIMITED
WARRANTY
This product has a manufacturer's warranty against defects in materials and workmanship to the
original purchaser for a period of one year from the date-of-purchase (DOP), This manufacturer
warranty 1s non-transferable. The warranty ,s for repair or replacement at the sole discretion of
BOSS AUDIO SYSTEMS {BAS). For service under this warranty you need to return the product to
BAS. If replaced, BAS reserves the right to replace It with a new or reconditioned product of the
same or s1m1lar design.
Your product may qualify for a free extended warranty. Please see www.bossaudio.com for the
quallncallonsand details of this program.
Obtain Warranty Service
Within the first 30 days from the original DOP. BAS will provide a return shipping label for any
defectiveproduct shipped from within the 50 US States. After the first30 days you areresponsible
for the freightcharges incurred to send the product back to BAS. Tosend aproduct in for warranty
service you will need the following:
• A Return Authoriz.ation number (RA#). Please contact our Customer Service to receive a RA#
• A legible copy of the proof-of-purchase with your name, the name of the authorized
dealer. the DOP and the model number
of the product requir mg service.
• Enclose a note stating the problem or issues with the product. your daytime phone number,
email and return shipping address (within the USA. no P. O. Box please).
This warranty does not cover any product subjected to abuse, neglect, incorrect wiring, water or
physical damage or any attempt to repair or modify the product by anyone other than an BAS
Repair Technician. Any damages, resulting from legal action for breach of expressed or implied
warranty shall be limited to the cost of the original purchase price of the product.All liability for
coincidental damages are excluded under this warranty.The Customer agrees to retain the original
proof-of -purchase for establishing the effective date of this warranty. If BAS or an Authorized
Dealer replace your product under warranty, the replacement product shall be considered a
transaction under the original warranty, and does not extend the original warranty period.
www.bossaudio.com
ONLINE: www.bossaudio.com/support/techn icaI- support
US Toll- free :800-999-1236 • Customer Service: 805 - 75 1-4853
02l7

NAME AGE
ADDRESS
CITY
STATE ZIP
E-MAIL
PHONE
MODEL NO. DATE OF PURCHASE PURCHASE PRICE
PURCHASED FROM
INSTALLED BY
SERIAL NUMBER (Ifapplicable)
VEHICLE: YEAR , MAKE AND MODEL
To register this product fill-in this form ,fold and mail this card to:
10~S
AUDIO SYSTEMS
BOSS AUDIO SYSTEMS
3451 Lunar Court, Oxnard , CA 93030
For online registration, scan this QR Code with your smart
___ ;;;,~•--. device, fill -in the online form to register your product.
Or fill -in the online form by visiting:
www .bossaudio.com/support/ product -registration