0922
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Thank you for purchasing this marine gauge radio!
Please read the instructions carefully, so you will know how to operate your product
properly. After you have nished reading the instructions, keep this document in a safe
place for future reference.
Table of Contents
Introduction ........................................................................................................................ 2
Package Contents ............................................................................................................. 2
Important ........................................................................................................................... 2
Control Panel ..................................................................................................................... 4
Mounting On Dashboard .................................................................................................. 5
Wiring ................................................................................................................................ 5
Power On/Standby ............................................................................................................ 7
Set Clock ........................................................................................................................... 7
Adjust/Mute Volume ........................................................................................................... 7
Reset The Unit ................................................................................................................... 7
Listen To Radio ..................................................................................................................8
Bluetooth Streaming .......................................................................................................... 9
Music/Movie/Photo From USB ........................................................................................ 10
Audio Input ...................................................................................................................... 12
Audio Output .................................................................................................................... 12
Accessory Power Control ................................................................................................ 12
Screen Illumination Control ............................................................................................. 13
Use Front/Rear Camera ................................................................................................. 13
Audio Settings ................................................................................................................. 13
Preference Settings ......................................................................................................... 14
Troubleshooting ............................................................................................................... 15
Specications .................................................................................................................. 16
2
Introduction
The product is designed as a marine gauge radio with an integrated four-channel amplier.
You can stream audio from a mobile phone to this product via Bluetooth. You can also play
music/movie/photo les stored in a USB ash drive, and music from your mobile phone or a
playback device (e.g. a CD/DVD player) via audio inputs.
The product has NOAA weather band radio (WB) for emergency weather broadcast. Radio
and sound presets are retained when the battery is disconnected or the power is lost.
Audio can be output to an external amplier or powered speakers via RCA outputs.
Package Contents
Marine gauge radio
1x power wire harness
1x speaker wire harness
*
x2
Mounting kit
(1x bracket, 2x bolts & nuts)
Rubber cover
User manual &
Warranty card
* The rubber cover is designed to protect the unit’s control panel against the harsh marine
environment, and additionally against UV exposure, water ingress and abrasion.
Important
Read and understand all instructions before you use your product. If you do not
follow the instructions in this manual, we are not responsible for injury or damage
resulting from improper handling. This will also void the warranty.
Important Safety Precautions
• Be sure to observe the following guidelines:
- Do not increase speaker volume so high that you cannot hear what is around you.
- Use caution or temporarily discontinue use in potentially hazardous situations.
• Do not operate mobile video equipment while driving a motorized vehicle – safe driving
and safety consideration of others should always be your highest priority.
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• Start volume at a low setting then gradually increase the volume until you can hear it
comfortably, without sound distortion or ear discomfort.
• In the event of smoke, strange noise or odor emitted from the product or any other
abnormal operational signs appearing on the product, disconnect the product from the
power supply. Discontinue use and contact your dealer or our technical support. Using
the product in this condition may result in permanent damage to the system.
• Servicing must only be carried out by a technician. Contact our technical support for
any service question.
Installation Precautions
• WARNING: Always consult a professional installer.
• Installation must be performed by a professional. Contact our technical support for any
installation question.
• Use only installation parts provided with the product.
• Before installation, disconnect the negative terminal of the vehicle battery to prevent
damage to the product, re, and/or possible injury.
• If extending the power cable which connects to the vehicle battery, we recommend to
run the extended cable to the battery through a fuse box (not included) with at least 20A.
• Ground cable should be as short as possible. Connect the ground cable to metal parts
of your vehicle, or to the battery if your vehicle does not have a grounded chassis frame.
Make sure the metal surface to which the ground cable connects is scraped clean from
rust and dirt. The ground cable must be rmly fastened with a screw or bolt. If extending
the ground cable, make sure to use a high quality cable with proper gauge rating.
• Replace the old fuse with the new one of the same rating.
• Observe the safety and operating instructions of the devices which are connected to
the product.
Care For Your Product
• Do not use abrasive cleaning materials on the display or bezel.
• This product is water resistant against splashing water. Do not submerge the product in
water under any circumstances.
Care Of The Environment
Do not throw away the product with normal household waste at the end of its life. Follow
your local laws when disposing of electronic products. By doing this, you help preserve the
environment.
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Control Panel
1
7
2
4
5
6
3
MGV500B
1 /
• During media playback, select the previous/next media le; hold down to fast search.
• In radio mode, tune to a radio station; hold down to enter manual tuning mode.
2 BAND
• During media playback, press to access or exit media les/folders; hold down to activate
setting of repeat or shufe play mode.
• In radio mode, select a radio band (FM1/FM2/FM3/AM1/AM2/WB); hold down to auto
search and store radio stations in FM, AM or WB band.
3
• During media playback, start, pause or resume play.
• In radio mode, select a preset radio station; hold down to activate program mode.
4 LCD display
• Show current status and menu options.
5 SEL
• Press to access audio setup options; hold down to access preference setup options;
navigation setup options, or conrm a selection.
6 Function knob
• Press to turn the unit on; hold down to turn the unit off.
• In power on mode, press to mute or restore volume.
• Rotate to adjust volume, or to select menu options/setting values.
7 MODE /
• Access mode options bars. Hold down to turn on or off external accessory power.
5
Mounting On Dashboard
See the section “Installation Precautions” on page 3.
Use only installation parts provided with the product. Using other mounting
methods may void the warranty.
Before you drill or cut any holes, investigate your vessel’s layout very carefully.
Take special care when you work near the gas tank, fuel lines, hydraulic lines
and electrical wiring.
1. Cut a mounting hole (Ф 3.13” / 79.5 mm) in the dashboard.
2. Slip the unit through the mounting hole in the dashboard.
Ø 3.13” / 79.5 mm
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2
3. Fasten the unit to the dashboard with the supplied
U-bracket and two bolts and nuts.
If needed, remove one or more break-away tabs
on the U-bracket to shorten the bracket for rm
fastening to the dashboard.
Wiring
See the section “Installation Precautions” on page 3.
Disconnect the negative terminal of the vehicle battery prior to wiring.
Connect the unit to a 12VDC battery and negative ground only.
Connect speaker wires to speakers with 4 - 8 Ω .
Never ground or short the speaker wires.
Insulate all bare wires and unconnected wires with electrical tape.
3
Break-away
tabs
6
To front left speaker
To front right speaker
To rear left speaker
To rear right speaker
White
White/Black
Gray
Gray/Black
Green
Green/Black
Purple
Purple/Black
Black
15A fuse
Battery wire
Ground wire
Ignition wire
ACC (Red)
Constant (Yellow)
power switch
To accessory
Vehicle’s metal frame
MGV500B
To audio output on a
playback device
To light bar/whip, etc.
for power control
To rear camera for
power control
To reverse light for
reverse signal trigger
To vehicle lights for automatic
screen illumination
Charging, or to USB
device for media play
USB port
AUX input
Front output
Rear output
Sub output
Front camera input
Rear camera input
AUX power output
Rear camera output
Reverse input
Illumination (”ILL”)
Red/Purple
Red/White
Purple/White
Orange/Black
Black
Black
Black
Brown
Gray
Green
Yellow
To front audio input on
an amplifier
To rear audio input on
an amplifier
To subwoofer input on
an amplifier
To front camera for
video signal input
To rear camera for
video signal input
Power antenna
Blue
To a device for power control
To radio antenna
Black
Antenna jack
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Power On/Standby
• To switch the unit on, press briey the function knob.
- When switched on, the unit switches to the last selected source and the button
backlights are illuminated.
• To switch the unit to standby, press and hold the function knob.
- When switched to standby, clock is displayed and the button backlights are off.
Set Clock
1. In power on mode, press and hold SEL to display the preference setup options.
2. When the setup option is displayed, press briey and repeatedly SEL until the “Time”
option is displayed. Set the hour and minutes as follows.
a. When hour digits are highlighted, rotate the function knob to set the hour.
b. Press SEL to conrm. Minute digits are highlighted.
c. When minute digits are highlighted, rotate the function knob to set the minute.
d. Press SEL to conrm.
3. When 12/24 hour format option is displayed, rotate the function knob to select 12 or 24
hour format. After three seconds of button inactivity, the setup automatically exits and
the clock is set.
Adjust/Mute Volume
• To increase or decrease volume, rotate the function knob.
• To mute or restore volume, press briey the function knob.
Reset The Unit
If the unit fails to operate properly, reset the unit. After resetting, all the settings will restore
to the default.
1. In power on mode, press and hold SEL to display the preference setup options.
2. When the setup option is displayed, press briey and repeatedly SEL until the “RESET”
option is displayed.
3. Press the function knob to conrm the reset option. After resetting, the unit will
automatically switch to standby.
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Listen To Radio
You can listen to FM, WB (Weather Band radio) and AM radio, and store the radio stations.
The stored radio stations will be retained if the unit is disconnected from the vehicle’s battery.
Select A Radio Band
1. Press MODE to access the mode options. The mode options bar is displayed.
2. When the options bar is displayed, rotate the function knob to select “FM”, “WB” or “AM”.
3. Press the function knob or SEL to conrm selection.
- The radio broadcast interface is displayed. The options bar will exit after three
seconds of button inactivity.
• In radio mode, press BAND repeatedly to select FM1, FM2, FM3, WB, AM1 or AM2.
Tune To A Radio Station
1. Select a radio band.
2. Press / briey. The unit will nd a station with strong reception.
- While searching a radio station, “SEEK” is displayed. If an FM radio station with
stereo signal is reached, the icon will be displayed.
3. Repeat the steps above until your nd your desired station.
To tune to a weak station
1. Press and hold / to enter manual tuning mode. “MANUAL SEEK” is displayed.
2. Press / repeatedly to search by frequency step until you nd a desired station
with acceptable reception.
- NOTE: Manual tuning mode will automatically exit after three seconds of button
inactivity, and “MANUAL SEEK” disappears from the display.
Store Radio Stations Automatically
Each radio band (FM1/FM2/FM3/AM1/AM2/WB) can store six radio stations.
1. In radio mode, press BAND to select an FM, AM or WB band.
2. Press and hold BAND for two seconds to start searching radio stations.
- All FM, AM or WB stations will be searched and stored in FM, AM or WB bands.
- The stored radio stations will be displayed in the radio list on the display.
- After all the radio stations are stored, each stored station will automatically broadcast
for three seconds and “INTRO” will be displayed.
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Store Radio Stations Manually
Each radio band (FM1/FM2/FM3/AM1/AM2/WB) can store six radio stations.
1. Select a radio band and tune to a radio station.
2. Press and hold for two seconds to activate program mode.
3. When “SAVE P1” is displayed, rotate the function knob to allocate a number (1-6) to this
radio station. Then press SEL to conrm selection.
- The preset radio station will be displayed in the allocated position of the radio list on
the display.
- If there are three seconds of button inactivity, program mode will automatically exit
without programming the radio station.
4. Repeat the steps above to store more radio stations.
Select A Stored Radio Station
Each radio band (FM1/FM2/FM3/AM1/AM2/WB) can store six radio stations.
1. Select a radio band.
2. Press briey to select a stored radio station from the radio list on the display.
- If an FM radio station is broadcast with stereo, the icon is displayed.
Bluetooth Streaming
Pair With A Mobile Phone
Before you can stream music from your mobile device to the unit, you must pair the unit with
your mobile device through Bluetooth.
1. Switch the unit to Bluetooth mode.
a. Press MODE to access the mode options.
b. When the options bar is displayed, rotate the function knob to select “Bluetooth” and
press the function knob or SEL to conrm selection.
2. On your mobile device, enable Bluetooth then select “BOSS AUDIO MGV500B” to pair
the unit with your mobile device. If prompted for password, input “0000” on your mobile
device.
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- When the unit connects to your mobile device, the icon is displayed.
- The unit automatically connects the last paired device each time the two are powered
on. To connect a second Bluetooth device, you have to disconnect the currently
connected device then repeat the steps above to pair with a second device.
Playback Control Through Bluetooth
1. When the unit connects to your mobile device, you can then play audio les from your
mobile device. Music will be streamed to the unit.
- For best sound performance, set the volume of your mobile device to maximum, then
adjust the volume through volume control on the unit.
- NOTE: If there is distortion heard, you may need to turn the volume of the mobile
device down a level or two.
2. Control playback as follows.
• To pause or resume playback, press .
• To select the previous or next music le, press / .
- During playback, the display shows the music title and artist.
- If there is an incoming call during playback, the music will automatically pause and
resume after the call ends.
Music/Movie/Photo From USB
This unit can play music, movie and photo les stored in a USB ash drive.
Select Music/Video/Picture Mode
1. Insert a USB storage device to the USB port on the unit.
2. The unit will automatically switch to USB mode. The rst music le from the USB device
will play automatically.
To switch to Movie or Photo mode, press MODE to display the mode options bar. Rotate
the function knob to select “Movie” or “Photo” then press the function knob or SEL to
conrm selection.
- If Movie mode is selected, a movie le will automatically play. If Photo mode is
selected, photo slideshow will automatically play.
- If a USB ash drive is not inserted or has no playable media, Music/Movie/Photo
mode can not be selected.
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Access Music/Video/Photo Folders
1. During music/video/photo playback, press briey BAND.
- Playback stops and the les/folders are displayed.
2. Rotate the function knob to select a le or folder.
• To access the selected folder, press SEL.
• To play the selected le, press SEL.
• To return to the previous folder level, press briey BAND.
Music Playback
• To pause or resume playback, press .
• To select the previous/next music le, press / .
• To search fast backward or forward, press and hold / .
To select a play mode
1. Press and hold BAND to display play mode options.
2. Rotate the function knob to select a play mode, and press SEL to conrm selection.
• RPT ALL: Plays all the tracks repeatedly. is displayed.
• RPT ONE: Plays the current track repeatedly.
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is displayed.
• RDM ON: Plays all the tracks randomly. is displayed.
Movie Playback
• To pause or resume playback, press .
• To select the previous/next movie le, press / .
• To search fast backward or forward, press and hold / .
Photo Slideshow
• To pause or resume slideshow, press .
• To select a photo, press to pause slideshow then press / .
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Audio Input
The unit can play audio from a mobile phone or a playback device (e.g. CD/DVD player).
1. Connect the audio output jack on your mobile phone to the RCA audio inputs marked
“AUX INPUT” on the unit, using the following audio cable.
• For a mobile phone with a headphone jack, use a 3.5mm to RCA cable (not included).
• For a mobile phone with a USB-C port, use a USB-C to RCA cable (not included).
• For an iPhone, use a lightning to RCA cable (not included).
Or using audio cables with RCA plugs (not included), connect a playback device (e.g. CD/
DVD player) with RCA audio outputs to the RCA audio inputs marked “AUX INPUT” on the
unit.
2. Switch the unit to AUX IN mode.
a. Press MODE to access the mode options.
b. When the options bar is displayed, rotate the function knob to select “AUX IN” and
press the function knob or SEL to conrm.
3. Start playback on the connected device and audio will play through the unit.
- For best sound performance, set the volume of the connected device to maximum.
Audio Output
You can output audio from the unit to an external amplier or powered speakers.
1. Using audio cables with RCA plugs (not included), connect the RCA audio outputs
marked “FRONT OUTPUT”, “REAR OUTPUT” and “SUB OUTPUT” on the unit to the
corresponding RCA audio inputs on an amplier or powered speakers.
2. Start playback on the unit and audio will be output to the connected device.
Accessory Power Control
The unit comes with an accessory power switch which can turn on or off a connected
accessory (not included, e.g. a light bar or LED whip).
1. Connect the red/purple wire (marked “AUX POWER”) from the unit to an accessory.
2. When the unit is powered on, press and hold on the control panel to turn on or off
the connected accessory.
- When accessory power is on, the icon is displayed in the top right corner of the
screen.
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Screen Illumination Control
The unit comes with an illumination wire which is used for screen illumination control.
1. Connect the orange/black wire (marked “ILL”) from the unit to your vehicle lights. When
the vehicle lights are on, the unit’s screen will be automatically illuminated.
Use Front/Rear Camera
WARNING: Never rely solely on the rear view camera when reversing your vehicle. Always
check your surroundings before reversing your vehicle.
1. Connect a front/rear camera (not included) to the unit. See the installation manual of
your camera for more details.
• Video signal input
- Display live view from the front camera using the “FRONT CAMERA INPUT” cable.
- Display live view from the rear camera using the “REAR CAMERA INPUT” cable.
• Power supply to the camera
- Power the front camera using the “POWER ANTENNA” wire.
- Power the rear camera using the “REAR CAMERA OUTPUT” wire.
• Reverse trigger signal
- Switch on the camera only when the vehicle is put in reverse gear, when using the
“REVERSE INPUT” wire.
2. Switch the unit to front or rear camera mode.
a. Press MODE to access the mode options.
b. When the options bar is displayed, rotate the function knob to select “F-CAM” (front
camera) or “R-CAM” (rear camera) and press the function knob or SEL to conrm.
Audio Settings
This section helps you change the sound settings of this unit.
1. In power on mode, press briey and repeatedly SEL to select audio setup options.
2. When an option is displayed, rotate the function knob to adjust values or settings. The
settings will be made after three seconds of button inactivity, then the menu option will
automatically exit.
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• BAS: Change output level for bass sound.
• TRE: Change output level for treble sound.
• BAL: Adjust left-to-right speaker output balance.
• FAD: Adjust front-to-rear speaker output balance.
• EQ: Select a preset sound mode (a preset equalizer setting): FLAT, JAZZ, POP, ROCK,
CLASS, or EQ OFF.
• LOUD ON/OFF: Enable or disable loudness function. Enabling will boost output level of
low and high frequencies.
• BEEP ON/OFF: Enable or disable beep tone every time you press a button.
• Radio Area: Select the region (America or Europe) you are in to receive radio signal.
Preference Settings
This section helps you change the preference settings of this unit.
1. In power on mode, press and hold SEL to access the preference setup options. Then
press briey and repeatedly SEL to select setup options.
2. When an option is displayed, rotate the function knob to adjust values or settings. The
settings will be made after three seconds of button inactivity, then the menu option will
automatically exit.
• Sub vol: Change output level of the subwoofer (available only when the subwoofer
cutoff frequency is not set “OFF).
• Sub freq: Select a cutoff frequency for the subwoofer (80Hz, 120Hz, 160Hz, OFF).
• Time: Set minutes and hours.
• Time mode: Select 12 or 24 time format.
• Brightness: Adjust screen brightness.
• Contrast: Adjust screen contrast in lights and darks.
• Hue: Adjust color staturation
• Language: Select a menu language (English or Spanish).
• RESET: Reset to the factory settings. All the settings will restore to the default.
• VERSION: Display the current hardware and software version of the unit.
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Troubleshooting
If you have problems using this product, check the following points before you request
service. If you still have a problem, contact our technical support.
Problem Solution
No power Check that the power cables (battery/ignition/ground)
are properly connected (see “Wiring” on page 5).
Check that the vehicle ignition power (ACC) is
switched on.
The fuse is blown. Replace with a new fuse with the
same type and rating.
No sound Check that playback is not muted or paused.
Incorrect source input. Press MODE to select the
correct source.
Poor radio reception Check that a radio antenna is connected to the unit.
Fine tune the radio station (see “Tune To A Radio
Station” on page 8).
USB not playable Files are not playable, or the USB device is not
compatible with the unit.
Bluetooth not connected Check that Bluetooth on your mobile device is enabled.
Make sure your mobile device is located in Bluetooth
range.
The unit is connected with another Bluetooth device.
Disconnect the current Bluetooth connection.
Poor audio quality from
Bluetooth connection
Move your mobile device closer to the unit, or remove
obstacles or sources of interference that are affecting
Bluetooth reception.
No response Reset the unit (see “Reset The Unit” on page 7).
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Specications
Audio
Max output power ..................................... 60 W x 4
Speaker impedance ..................................4 - 8 Ω
Frequency response ................................. 20 Hz-20 kHz
Signal-to-noise ratio .................................. >65 dB
RCA input sensitivity .................................500 mV
Pre-amp outputs......................................... Full range for front, rear, and subwoofer (mono)
FM Tuner
Frequency range ...................................... 87.5 – 107.9 MHz (USA)
87.5 – 108 MHz (Europe)
Frequency step ......................................... 200 kHz (USA)
50 kHz (Europe)
Usable sensitivity ...................................... 4μV (S/N=30dB)
Stereo separation ..................................... >25 dB
AM Tuner
Frequency range ...................................... 530 – 1710 kHz (USA)
522 – 1620 kHz (Europe)
Frequency step ......................................... 10 kHz (USA)
9 kHz (Europe)
Usable sensitivity ...................................... 36 dBμV (S/N=20dB)
WB Tuner
Frequency range ...................................... 162.400 – 162.550 MHz (NOAA)
Bluetooth
Bluetooth version ...................................... 4.2
Bluetooth proles. ..................................... A2DP, AVRCP
Bluetooth frequency .................................. 2402 - 2480 MHz
Transmission power.................................. <4 dBm
Transmission distance .............................. Up to 33 ft /10 m (line of sight)
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USB
Compatibility ............................................. Type A, USB 2.0 (High-Speed)
File system ............................................... FAT32
USB charging ........................................... 5VDC, 1A (not for mobile phone playback)
Audio playback ......................................... MP3, WMA
General
Power supply ............................................ 12VDC
Current consumption ................................ max 10A
Standy current draw ................................. zero
Fuse .......................................................... ATO type, 15A
Screen ...................................................... 3” TFT LCD color display
Ingress protection rating ........................... IPX5 (water resistant / dustproof)
Operating temperature ............................. -4 to 140°F / -20 to 60°C
Storage temperature ................................. -4 to 158°F / -20 to 70°C
Unit weight ................................................ 1.34 lbs / 0.61 kg
Dimension Drawings
0.75" (19.1 mm) 2.95" (75 mm)
1.29"
(32.8 mm)
Ø 3.13"
(79.5 mm)
Ø 4.53"
(115 mm)
0.75" (19.1 mm) 2.95" (75 mm)
1.29"
(32.8 mm)
Ø 3.13"
(79.5 mm
)
Ø 4.53"
(115 mm)
MGV500B
Specications are subject to change without notice.
0922
0922
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