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Boss Audio Systems MR500UAB User Manual

Boss Audio Systems MR500UAB
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Push-To-Talk
Press the icon button (VOL knob) to access to smartphone voice
assistant capability via Bluetooth.
Adjust Menu Options (SEL)
• Press and hold the SEL button (volume knob) to enter into setting menu,
then press the SEL button (volume knob) repeatedly to select setting items:
- 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/TREBLE:-7, -6, ~, 1, 0, +1,~, +6, +7
Note: BASS and TREBLE settings are only enabled when EQ setting is turned OFF.
- BALANCE:L7, L6,~, L1, 0, R1,~,R6, R7
- FADER:R7, R6, ~, R1, 0, F1, ~ ,F6, F7
- Loudness: LOUD ON/OFF
- EQ(Equalizer) Setting: OFF, FLAT, CLASSIC, POP, ROCK, JAZZ
- Stereo/Mono: Switches between MONO and STEREO reception mode
for radio frequencies.
- DX/LOCAL: Enables or disables the local broadcast mode (LOCAL).
- CLOCK 12/24: Select between 12 hours and 24 hours display.
- 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.
• Rotate the VOL knob to change values.
Clock display, Clock setting
Press the CLOCK button to display time. Press and hold the CLOCK button,
the hours digits start flashing on the display. Set hours by rotating the VOL
knob. Briefly press the CLOCK button, the minute digits start flashing.
Set minutes by rotating the VOL knob.
Mute On/Off
Press the MUTE button to toggle mute on or off.
USB Port
Connect to a USB storage device for audio play, or charging of a mobile
phone.
Hands-free Microphone
To receive your voice when you calling by using this bluetooth handsfree
system.
Aux Audio Input Jack
Connect to the headphone jack on an external device (e.g. a mobile phone
or MP3 player) for audio play.
Installation
Connect all wiring harness and slide the head unit into the
mounting sleeve until it clicks into place.
Turn Unit on/off, Change the Source
• Press the OFF/SRC button to turun on the unit. Press and hold the OFF/
SRC button to turn off the unit.
• Press the OFF/SRC button to select the different modes: Radio, USB(with
USB device inserted) and BT(Bluetooth) modes.
Adjust the volume (VOL)
Rotate the VOL knob to increase or decrease the volume level.
- Only support speakers of 4 ohms or above.
- +12V DC Negative Ground.
- The maximum current of the Amp remote trigger is 200mA.
!
Wiring Connections
Overview of the Components
General Operation
General Operation General Operation
Radio Operation
Switch Between USA area and Europe area Frequency
In radio mode, press and hold the SEL button (volume knob) to enter into
setting menu, then press the SEL button (volume knob) repeatedly to access
the state of the USA and Europe frequency, then rotate the volume knob to
switch between USA and europe frequency. The system will change the
frequency setting in about 3 seconds.
Change Bands
In radio mode, shortly press the BAND button to switch between the FM1
(F1), FM2(F2), FM3(F3) and AM1(A1), AM2(A2) bands.
To Store / Recall Preset Stations
The radio can be stored 6 preset stations for each band (FM1, FM2, FM3,
AM1 and AM2) for a total of 30 preset stations.
- To memorize a station:
Press and hold the desired preset buttons (1-6) to save a radio station.
- To recall a preset station:
Briefly press the respective station button (1-6) to recall the corresponding
preset station.
Manual Tuning
In the radio mode:
Press and hold the or button to enter the manual tuning mode.
In manual tuning mode, briefly press the or button to search the next
or previous frequency step by step.
Seek Tuning
In radio mode, press the or button, 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.
Automatic Store Station / preset station scan
Press and hold the button to store 18 FM stations and 12 AM stations
automatically.
ANT
F-R R-R
F-L R-L
10
Radio Antenna
White
Front Left
Speaker
Rear Left
Speaker
Front Right
Speaker
Rear Right
Speaker
White/Black
ACC + (Red)
GND - (Black)
ANT + (Blue)
Power B+ (Yellow)
Gray/Black
Purple
Purple/Black
Green
Green/Black
Gray
Red: Front Right PRE-AMP Output
White: Front Left PRE-AMP Output
White: Rear Left PRE-AMP Output
Red: Rear Right PRE-AMP Output
Installation
Installation Procedures
First complete the electrical connections and then check for correctness of
connection.
Insert the mounting sleeve into the dashboard. Then bend the tabs
on the mounting sleeve with a screwdriver to achieve fastening of
the mounting sleeve.
Make sure that lock lever is flush with the mounting sleeve( not
projecting outward).
Installation Opening
This unit can be installed in any dashboard which has an opening as shown
below.
2.05 inches
7.20 inches
Bracket key
Mounting sleeve
Bracket key
Plastic trim out
Reset
Push the RESET button with a thin object with a pointed end to reset the unit.
This function may be used when the LCD does not display normally or
sound is distorted, or when any of controls are disabled.
1. (pause/play), Preset station 1 button
2. INT (intro), Preset station 2 button
3. IR remote sensor
4. VOL(volume) knob, SEL(select/menu) button
5. LCD Display
6. BAND button, (automatic store station, automatic music search) button
7. -OFF(power on/off) / SRC(source) button
8. RDM (random), Preset station 4 button
9. RPT (repeat), Preset station 3 button
10. -10(previous 10 tracks), DIR- (previous folder), Preset station 5 button
11. +10(next 10 tracks), DIR+(next folder), Preset station 6 button
12. CLOCK(Clock display, Clock setting) button
13. MUTE button
14. Hands-free Microphone
15. Reset button
16. (Push-To-Talk) button
17. (Answer Call / End Call) button
18. (tune/seek down, previous track, fast reverse) button
19. (tune/ seek up, next track, fast forward) button
20. USB Port
Question and Answer IconNeed help?

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Boss Audio Systems MR500UAB Specifications

General IconGeneral
Power Output50W x 4
BluetoothYes
USB PortYes
Aux InputYes
AM/FM RadioYes
Preamp OutputsYes
TypeDigital Media Receiver
DIN SizeSingle DIN
WeatherproofNo
Detachable FaceplateNo
Display TypeLCD
PlaybackMP3, WMA
Remote ControlYes
Compatible with Steering Wheel ControlsNo
Peak Power50W x 4 Channels
RMS Power20W x 4 Channels
Preamp Outputs (Specific)2-channel

Summary

Installation Procedures

Installation Procedures

Steps for electrical connections and checking correctness before installation.

Installation Opening

Details on fitting the unit into dashboard openings and securing it using tabs.

Wiring Connections

Visual guide to connecting power, speakers, antenna, and ACC/GND wires.

Component Overview

Front Panel Controls

Identification and function of buttons and ports on the head unit's front panel.

General Operation

Power and Source Selection

Instructions for turning the unit on/off and switching between Radio, USB, and Bluetooth modes.

Volume Adjustment

How to control the audio volume level using the rotary knob.

Push-To-Talk Feature

Accessing smartphone voice assistant capabilities via Bluetooth.

Menu Settings

Navigating and adjusting options like illumination, EQ, balance, fader, and clock.

Clock Display and Setting

How to view and set the current time on the unit's display.

Mute and Audio Inputs

Toggling mute, using the hands-free microphone, and connecting external devices via AUX.

Radio Operation

Frequency Area Switching

Changing radio frequency settings between USA and Europe standards.

Band Selection

Switching between FM1, FM2, FM3, and AM1, AM2 radio bands.

Storing and Recalling Presets

Saving and retrieving favorite radio stations using preset buttons (1-6).

Tuning Methods

Manual tuning for precise frequency selection and seek tuning for strong signals.

Automatic Station Storage

Automatically storing up to 18 FM and 12 AM stations.

USB Operation

Track Navigation

Selecting next/previous tracks and navigating through folders or 10-track increments.

Playback Controls

Using play/pause, fast forward/reverse, and introduction scan functions.

Repeat and Random Modes

Setting track repeat modes (one, folder, all) and enabling random playback.

MP3 File Selection

Searching and selecting specific MP3 files by track number using the volume knob.

Bluetooth Operation

Pairing and Connecting

Steps to pair a mobile phone with the unit and establish a Bluetooth connection.

Call Management

Answering, rejecting, ending calls, and switching audio during calls.

Audio Streaming

Playing music wirelessly from a Bluetooth device using A2DP profile.

Voice Assistant Access

Using the Push-To-Talk feature to access smartphone voice assistants.

Remote Control

Remote Control Buttons

Identification and function of each button on the provided remote control.

Specifications

General

Basic specifications including power, dimensions, weight, and fuse rating.

Radio Frequencies

Detailed frequency ranges and channel steps for FM and AM bands.

USB Port Details

USB port type, charging capabilities, and supported audio formats.

Bluetooth Support

Supported Bluetooth profiles and frequency range for wireless connectivity.

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