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User’s Manual
MGR250B
Red
Blue
White
Gray
Green
ACC
REMOTE
Power and Speaker Wiring
Features
Stream and Control your
Favorite Music APPs
What’s Included
4 Channel
Conformal Coated PCB
Play / Pause
Press Hold = On/Off
Short Press
Previous Song
Press And Hold
Volume Down
Short Press
Next Song
Press And Hold
Volume Up
Bluetooth/AUX/USB Switch
Disconnect Bluetooth
YELLOW
Fuse:15A
AUX Input
Line out-L
Line out-R
RED
ACC
BLUE
REMOTE
USB
PURPLE/BLACK
PURPLE
GRAY/BLACK
GRAY
WHITE/BLACK
WHITE
GREEN/BLACK
GREEN
BLACK
DC12V(-) Grounded to
metal chassis, or directly to
negative polarity of battery.
DC12V(+)
Recommended wiring
with fuse (parts are not included)
(1)3.5mm Stereo Cable
(1)MGR250B Marine Gauge Digital Media Player
A�er you have unpacked the marine gauge digital media player,
check all the contents of package so it contains all of the items
below. If something is misssing, please call our customer service
department.
Marine Gauge Digital
Media Player