layout of the device, the NMEA 2000
®
network, the speakers,
and your input sources before making any connections.
Port Identification
Not used.
Connects the stereo to the wiring harness for auxiliary
input 1, and for the line and subwoofer outputs for zones
1 and 2.
Connects the stereo to the power and speaker wiring
harness.
FUSE Contains the 15 A fuse.
USB Connects the stereo to a USB source.
SXM TUNER Connects the stereo to a SiriusXM
®
Connect Tuner to
receive SiriusXM stations where available (not included).
Connects to a FUSION DAB module to receive DAB
stations where available (not included).
ANTENNA Connects the stereo to a typical AM/FM antenna.
If you are installing the stereo on a boat with a metal hull,
you must use a ground-dependent antenna. If you are
installing the stereo on a boat with a non-metal hull, you
must use a ground-independent antenna. See the
installation instructions provided with your antenna for
more information.
NMEA 2000 Connects the stereo to a NMEA 2000 network (NMEA
2000 System Wiring Diagram, page 3).
Wiring Harness Wire and Connector Identification
Wire or RCA
Connector
Function
Bare Wire
Color or
RCA Label
Name
Notes
Ground (-) Black Connects to the negative terminal of
the power source (Connecting to
Power, page 2).
Power (+) Yellow Connects to the positive terminal of
the power source.
Ignition Red Connects to a separately-switched,
12 Vdc connection, such as an
ignition bus, to turn the stereo on
and off.
Amplifier on Blue Connects to optional external
amplifiers, enabling them to turn on
when the stereo turns on.
Maximum output current when
stereo is on: 100 mA.
Wire or RCA
Connector
Function
Bare Wire
Color or
RCA Label
Name
Notes
Telemute Brown Activates when connected to
ground.
For example, when you connect this
wire to a compatible, hands-free
mobile kit, the audio mutes or the
input switches to AUX when a call is
received and the kit connects this
wire to ground. You can enable this
functionality from the settings menu.
Dim Orange Connects to the boat's illumination
wire to dim the stereo screen when
the lights are on.
The gauge of the illumination wire
must be suitable for the fuse
supplying the circuit it is connected
to.
Speaker zone 1
left (+)
White
Speaker zone 1
left (-)
White/black
Speaker zone 1
right (+)
Gray
Speaker zone 1
right (-)
Gray/black
Speaker zone 2
left (+)
Green
Speaker zone 2
left (-)
Green/black
Speaker zone 2
right (+)
Purple
Speaker zone 2
right (-)
Purple/
black
Zone 1 line out (left)
Zone 1 line out
(right)
Zone 1 subwoofer
out
ZONE 1
ZONE 1
SUB OUT
Provides output to an external
amplifier, and is associated with the
volume control for zone 1.
Each subwoofer cable provides a
single mono output to a powered
subwoofer or subwoofer amplifier.
Zone 2 line out (left)
Zone 2 line out
(right)
Zone 2 subwoofer
out
ZONE 2
ZONE 2
SUB OUT
Provides output to an external
amplifier, and is associated with the
volume control for zone 2.
Each subwoofer cable provides a
single mono output to a powered
subwoofer or subwoofer amplifier.
Auxiliary in left
Auxiliary in right
AUX IN Provides an RCA stereo line input
for audio sources, such as a CD or
MP3 player.
Connecting to Power
When connecting the stereo to power, you must connect both
power wires. You should connect the yellow power wire directly
to the battery. This provides power to the stereo and a constant
trickle-power standby feed.
You should connect the red ignition wire to the same battery
through the ignition or another manual switch to turn the stereo
on and off. If you are not routing the red wire through the ignition
or another manual switch, you can connect the red wire to the
yellow wire, and connect them both to the positive (+) battery
terminal.
You must connect the power wires to the battery through a 15 A
fuse or a 15 A circuit breaker.
If it is necessary to extend the yellow power and black ground
wires, use 14 AWG (2.08 mm
2
) wire. For extensions longer than
1 m (3 ft.), use 12 AWG (3.31 mm²) wire. If it is necessary to
extend the red wire, use 22 AWG (0.33 mm
2
) wire.
2 MS-RA210 Installation Instructions
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