Boss Audio Systems MR632UAB Bluetooth Digital Media AM/FM Receiver User’s Manual

Boss Audio Systems MR632UAB Bluetooth Digital Media AM/FM Receiver

Lithium Battery Cell Warnings

• Cell leakage may cause damage to the remote control.
• Do not throw cells into the 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 a qualified person.
• Some MP3/WMA files may not be playable.
• Keep lower volumes to concentrate on traffic and road conditions for safe driving.
• If the user’s car is under sunlight for some time, please lower the temperature inside the car and 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 the unit is better at a horizontal position, or if it is at an angle, it maybe not work in its best situation.
• Never use force or grip the display and the buttons tightly when removing or attaching.
• Be sure to lower the volume before switching off the unit or the ignition key.

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 above.

• Only use speakers with 4 ohms impedance.
• Do not attach the control panel to the chassis before the wiring is complete.
• The maximum current of the auto antenna is 200mA.

Wiring Connections

WIRING DIAGRAM

CAUTION +12V DC NEGATIVE GROUND

Uninstall the Main Unit

1. Remove the metal strap from the main unit.
2. Remove the plastic trim from the main unit.
3. Insert a bracket key into the left and right side of the main unit and draw the unit out of the mounting sleeve.

CONTROL PANEL BUTTON LOCATIONS

OPERATION

1. POWER/SRC
   Press the POWER button to tum on the unit, and long press it again to turn off the unit. When the unit tum on. short press the POWER/SRC button to switch the unit between RADIO, USB, CARD, BT, and AUX IN, modes (if there are USB and SD cards inside the unit).  1/. If there is no USB & SD card, then it will be only radio, BT, and Aux. When the user inserts a USB flash drive or SD Card, their respective logos will illuminate on the display.

2. 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) and hold for more than 2″S, and the frequency is successfully stored. Therefore there are FM1, FM2, FM3, AM1 & AM2, each band can store 6 stations so a total of 30 stations can be stored. To recall the preset memory station, press one of the preset buttons(1-6) plus the BND button for FM1, FM2, and FM3.AM1 & AM2.

• During USB or SD card mode, press the ‘1/ >||’ button to pause or resume music playback.
• Press the ‘2/INT’ 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 repeat the current track, press again to stop repeat playback, and resume normal playback.
• Press the ‘4/RDM’ button to play all tracks in random order, and press again to cancel random playback.

During USB or SD card mode, press the ‘5/-1 0′ button to go backward 10 tracks. Press the ‘6/+10′ button to jump forward 10 tracks. During USB or SD card mode, long press the 5/-10’ button to go back to 1 folder. Long press the ‘6/+1 0’ 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.

CLK

Press the CLK button once to display the real-time, With time appearing on the display. Press and hold the CLK button for more than 2 seconds until the hour flashes. You can adjust the HOUR by pressing the button and button. Then press the CLK button briefly, and the minute will flash, you can adjust the MINUTE by pressing the button and button. Finally press the CLK button to confirm the time adjustments.

SD CARD SLOT

Press the button to detach the front panel, and remove the front panel, then you can insert an SD card into this SD card slot, and install and close the front panel, this player will read and play the songs on the SD card automatically. To remove the SD card from the unit, press the button to detach and remove the front panel, then push the SD card with your fingernail, and the SD card will be ejected.

VOLUME adjustment

In the radio mode, rotate the volume knob to increase or decrease the volume level of the sound output. Press the volume knob, and it will be switching the sequence as follows:

Rotate the VOL knob on the front panel or press the button VOL+/- on the remote control to adjust the selected item.

At the radio status, press and hold the VOL button to enter the switch state of the US(USA) and EU (EUROPE) frequency, then rotate the VOL knob to select the US frequency or EU frequency, after selecting US or EU frequency, the system will switch to the selected frequency 3 seconds later.

FF( ) &12.FB( )

In the radio mode: Long press the or button for more than 2 seconds, and the unit will switch to manual tuning mode, briefly press the or button to search the next or previous frequency step by step. Short press the or button, and the automatic search will start, it will search upward or downward for the strong signal radio station within the current band. The auto-searching will stop until find a station.

In the USB or SD card mode: Briefly press the or button to play the next or previous track. Press and hold the or button to fast forward or fast backward.

BND/AMS

In radio mode, short press the BD/AMS button repeatedly to select one of the radio bands: FM 1, FM 2, FM 3, AM1, and AM2 in a cycle sequence. When you select a band, the word F1. F2. F3 for the FM band, and A1, and A2 for AM band will be shown on the LCD display. Press the BD/AMS button for several seconds, the radio searches from the current frequency and check the signal strength until one cycle search is finished. When the 6 strongest stations will be stored in the corresponding preset number within the current band. Short press the AMS button on the remote control to scan each preset station in each band. During USB or SD playback, short press the BND/AMS button to enter track search mode, then rotate the VOL knob to select the number of your favorite track with high speed, then press the SEL button to confirm and play the selected track. If no operation in 5 seconds, it will play the current track.

MUTE

Short press the MUTE button to turn MUTE ON/OFF, when it is on, the MUTE will flash on the LCD, and no sound output. When short press again it will be cancelled

USB PORT

AUX IN JACK

If you want to insert or remove the SD, reset the unit, remove the front panel from the head unit, and press the button to detach the front panel.

Reset
To reset all parameters to factory default values. Press the button to detach the control panel from 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 on 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 MR632UAB” will be displayed.
3. Choose the BOSS MR632UAB from the device list to pair and connect with the car 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 hands-free 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 # buttons on the remote control to input the telephone number, and the entered number will 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 calls.

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 is displayed on 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 the VOL knob or VOL + and VOL – buttons to adjust the volume level.
• Use the MUTE button to mute the sound.

Audio Streaming (A2DP)

1. Press the SRC button to enter BT mode and display media on 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 or  button to play the next or previous song/file on the mobile phone.
4. Press the 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, making sure the (+) polarity is facing upward.
4. Re-insert the cell holder into the remote control.

• Cell leakage may cause damage to the remote control.
• Do not throw cells into a fire, 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 the front panel remote control reception is about 30 degrees.
• The distance between the emitting window of the remote control and the sensor window of the unit should remain less than 5 meters.

REMOTE CONTROL

Button Names and Locations

Note: To operate the remote control, pull out the plastic from the battery compartment at the back of the remote control. Then point the remote control at the unit and start.

TROUBLESHOOTING

If you suspect something is wrong immediately switch power off. Do not use the unit in abnormal conditions, for example without sound, or with smoke or foul smell, which can cause fire or electric shock Immediately stop using it and call the store where you purchased it. Never try to repair the unit yourself because it is dangerous to do so.

SPECIFICATIONS

General

• Power supply Requirement: DC 12V
• Maximum power output: 50W X 4CH
• Speaker impedance: 4 – 8 Ohms
• Unit Dimensions(WxHxD): 7.0 X 2.0 X 3.8 inch
• Weight: 1.54 Lb (0.7 kg)
• Fuse: 15 A

RADIO

FM

• Frequency Range: USA / EUROPE: 87.5 MHz – 107.9 MHz / 87.5 MHz – 108.0MHz
• Channel step: 200 KHz / 50 KHz

AM

• Frequency Range USA / EUROPE: 530 KHz – 1710 KHz / 522-1620 KHz
• Channel step: 10 KHz / 9 KHz

USB/Card

RADIO

• Usable Audio Formats …………………………………………………………………………….. MP3/WMA
• Pre-amp Output…………………………………………………………………………………….. Front and Rear
• Frequency Response …………………………………………………………………………….. 20 Hz – 20 KHz
• S/N Ratio ……………………………………………………………………………………………………………. 60dB

BT

• BT Profile supports …………………………………………………………………….. Headset, Handsfree and A2DP & AVRCP profiles
• Range of frequency ……………………………………………………………………………………………………………. 2.4GHz spectrum

User Support

• Address: 3451 Lunar Court • Oxnard, CA 93030
• Official website: www.bossaudio.com
• Contact no. 805.322.8794
• Tech support: www.bossaudio.com/support/technical-support

FREQUENTLY ASKED QUESTIONS

What is the Boss Audio Systems MR632UAB?

The Boss Audio Systems MR632UAB is a digital media receiver that combines AM/FM radio, Bluetooth connectivity, and various audio playback options.

What features does the MR632UAB offer?

The MR632UAB includes Bluetooth audio streaming, a built-in microphone for hands-free calling, USB and auxiliary inputs, an SD card slot, AM/FM radio, and a variety of audio playback options.

Can I connect my smartphone to the MR632UAB via Bluetooth?

Yes, the MR632UAB has built-in Bluetooth, allowing you to wirelessly connect your smartphone for audio streaming and hands-free calling.

What audio formats can the MR632UAB play?

The MR632UAB supports playback of MP3, WMA, and FLAC audio files.

How many preamp outputs does the MR632UAB have?

The MR632UAB has two sets of preamp outputs, allowing you to connect external amplifiers or subwoofers.

Can I control the MR632UAB using a remote?

Yes, the MR632UAB comes with a wireless remote control for convenient operation.

Does the MR632UAB have a built-in equalizer?

Yes, it features a built-in EQ with preset options, as well as the ability to customize the sound settings.

Does the MR632UAB have a CD/DVD player?

No, the MR632UAB is a digital media receiver and does not have a CD/DVD player.

Can I connect external devices to the MR632UAB?

Yes, the MR632UAB offers USB and auxiliary inputs, allowing you to connect devices like smartphones, MP3 players, or external audio sources.

Does the MR632UAB have a detachable faceplate?

Yes, the MR632UAB has a detachable faceplate to help deter theft.

Is the MR632UAB compatible with steering wheel controls?

Yes, the MR632UAB is compatible with most aftermarket steering wheel control interfaces (sold separately).

Can I listen to AM and FM radio with the MR632UAB?

Yes, the MR632UAB includes a built-in AM/FM tuner, allowing you to listen to your favorite radio stations.

What power output does the MR632UAB have?

The MR632UAB has a maximum power output of 50 watts x 4 channels.

Can I use the MR632UAB with a backup camera?

Yes, the MR632UAB has a dedicated video input for connecting a backup camera (camera sold separately).

Does the MR632UAB have a color display?

Yes, the MR632UAB features a full-color LCD display for easy navigation and viewing of music information.

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