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TROUBLE SHOOTING GUIDE
-
tanttoinsulateanyunusedwires,whichifleftuncoveredmaycausea
themanualfortheproducttobeconnected.Theblackcableisground,
thevehiclesbodyframeordirecttothebatteryifyourvehicledoesnot
1-805-751-4853
www.bossaudio.com/support
TECHNICAL SUPPORT
TROUBLE CAUSE SOLUTION
Unit will not turn on
The fuse is blown Check / replace the fuse
Ignition not engaged Turn ignition to on position
No sound is heard
Blown speaker Replace faulty speaker
Volume is low / muted Press the volume level up
Device is paused or muted
Check your devices playing /
volume status
Cannot pair Bluetooth
The Bluetooth function of the
device is not enabled
Refer to the user manual of the
device for how to enable the
Bluetooth function
The MGR350B BT memory
is full
Follow how to reconnect a
device in section E
The audio quality is poor
after connection with a
Bluetooth enabled device The Bluetooth reception is poor
Move the device closer to the
audio system or remove any
obstacle between the device
and the systems antenna
Unit has become
unresponsive
Power glitch or interference
Disconnect power for
10 seconds to reset
Low battery power
Charge battery, run the engine
to recharge the battery
Reset the main system Follow steps in section B
FM TUNER FREQUENCY RANGE
• USA87.5~107.9MHz
• Europe 87.5~108MHz
• Asia 87.5~108MHz
• Australia 87.5~108MHz
• UsableSensitivity:12dB(S/N=30dB)
• Bands: 2
AM TUNER FREQUENCY RANGE
• USA 530~1710KHz
• Europe 522~1620KHz
• Asia 522~1620KHz
• Australia 522~1620KHz
• UsableSensitivity:40dB(S/N=20dB)
• Bands: 1
WEATHER BAND SELECTION
• CH.1 162.400MHz
• CH.2 162.425MHz
• CH.3 162.450MHz
•CH.4 162.475MHz
• CH.5 162.500MHz
• CH.6 162.525MHz
• CH.7 162.550MHz
• Bands: 1
BLUETOOTH
• BT: 3.0
•BTRange:33Ft/10M(Class2)
•BTPro�les:A2DP/AVRCP1.3
USB DRIVE MEDIA SUPPORTED
• MP3
• WMA
• 65,000Songs
• 32GB / FAT 32
• USB 2.0 High Speed
• USB Output Voltage: 5VDC @ 1A
INTEGRATED AMPLIFIER
• MOSFET
• MAX Continuous Output: 240W
(Allchannelsdriven)
• PEAK Power Rating: 60W / channel
• RMS Total Power Output: 80W
• Channels: 4
• Class: AB
• Frequency Response: 20-20kHz
•4Ωstable
CHASSIS
• Button Backlight Illumination: BLUE LED
• F/R/S RCA Preamp Output:
2VRMS
•RCAInputImpedance:10kΩ
•LCD:TNType/ActiveMatrix
GENERAL
• Power Source: 14.4VDC
(10.8V~16Vallowable)
• Grounding System: Negative type
•MaximumCurrentConsumption:15A
•3-wayprotectioncircuitry(thermal,
overload,andspeakershortprotection)
• Unit Weight: 1.08lbs / 0.52kg
• Storage Temperature:
-22
o
F to 176
o
F / -30
o
C to 80
o
C
• Operation Temperature:
-4
o
F to 158
o
F / -20
o
C to 70
o
C
• Replacement Fuse: 15A
(ReplacewithATGFuseTypeOnly)
SPECIFICATIONS
Speci�cationssubjecttochangewithoutnotice
QUICK START GUIDE
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