Owner's Manual
~
4 
If 
necessary, 
place 
the 
nut 
plates
) 
behind 
the 
dashboard. 
15 
Place 
the 
stereo 
in 
the 
cutout. 
16 
Secure 
the 
stereo 
to 
the 
mounting 
surface 
using 
the 
included 
screws
~
:~ 
.. 
17 
If 
necessary, 
secure 
the 
back 
of 
the 
stereo 
with 
a 
back 
strap 
or 
brace 
(not 
included). 
The 
stereo 
must 
be 
connected 
to 
power, 
to 
speakers, 
and 
to 
media 
input 
sources 
to 
function 
correctly. 
You 
should 
carefully 
plan 
the 
layout 
of 
the 
stereo, 
wired 
remote
, 
speakers
, 
optional 
NMEA 
2000
" 
network, 
and 
your 
input 
sources 
before 
making 
any 
connections. 
Power 
and 
Speaker 
Wiring 
Harness 
Wire 
Identification 
Power(+) 
Ground(-) 
Black 
This 
should 
be 
connected 
to 
a 
constant 
12 
Vdc 
source 
capable 
of 
supplying 
15 
A. 
All 
12 V 
wiring 
must 
be 
fused 
at 
the 
power 
source 
end 
of 
your 
cable 
using 
a 
15 
A 
fuse. 
This 
should 
be 
connected 
battery 
negative 
before 
connecting 
the 
yellow 
wire. 
All 
accessories 
connected 
to 
the 
stereo 
must 
share 
a 
common 
ground 
location. 
Wiring 
Harnesses 
Q 
---
---~------~~~~--
1 
This 
should 
be 
connected 
to 
a 
separately 
switched 
i 
~1) 
I 
Antenna 
..
.. 
~ 
I 
Motorol
a-
_
style 
st3ridard 
ante
nna 
connector 
I 
12 
Vdc 
connec
tio
n, 
such 
as 
an 
ignition 
bus
, 
to 
t
urn 
1 
,
2 
I 
the 
stereo 
on 
and 
oft
. 
If 
you 
are 
not 
using 
a 
I 
-
~
-+SIRIUSXM 
TU
NER 
'S
iriu
sXM
' 
con
n
ector 
Ignition 
Red 
switched 
12 
Vdc 
connection, 
you 
must 
connec
t 
this 
I 
(
3; 
I
WNMIREEAD
2
R
0 
.. 
0
E
0
MO
TE 
-
---
'cre
omnollteect 
to 
aNMEA2ooo.
netWork 
or a 
FUSIO····Nwired 
-
~ 
to 
the 
same 
source 
as 
the 
yellow 
(power) 
wire. 
1 
--j 
r--
A_m_p-
lifi
-
,e
-r 
o-n
---+
B-1-
ue
----+
T-h-
is 
___ 
i_s_ 
connected 
only 
when 
using 
an 
optional 
ij'
1 
USB 
USB-A 
industry 
standard 
------
----
-
--
-
---
---
! 
external 
amplifier. 
~'i 
I 
V
ideo 
---
755 
mo
dels 
HDMI' 
cable
-
and 
Ethe
-
rnet 
I 
When 
co
nnect
ed 
to 
g
round 
a
nd 
a 
call 
is 
received 
l 
_  __ 
650 
models
: 
composite 
and 
componen
t 
on 
a 
hands-free 
mobile 
phone, 
this 
mutes 
the 
audio 
! 
! 
.6
. ; 
AUX 
IN 
1, 
AUX 
IN 
2-
"Red 
and 
white 
RCA 
stereo 
l
ine 
inputs 
for 
so
-
urces 
such 
as
; 
or 
switches 
th
e 
input 
to 
AUX 
IN 
2 
or 
ARC 
source 
I  ,
1 
1 
CD 
and 
MP3 
players 
-
(ARC 
source 
is 
available 
on 
the 
MS-AV755 
only). 
:f-:7::: 
!--
Telephon
e 
Mute 
Brown 
This 
is 
configurable 
in 
the 
Settings 
menu. 
' 
1
7; 
Zone 
connectors--
--
Lineoutputs
foi 
speakers 
and 
subwoofer 
amplifiers. 
650 
Orange 
~
h!
s
can 
be 
connected 
to 
the 
boat's 
illumination
-
--
~ 
[ 
__ 
J__ 
models 
ha
ve 
three 
zones. 
755 
mode
ls 
ha
ve 
four 
zones.
_ 
w
1
re 
to 
dim 
the 
stereo 
screen 
when 
the 
lights 
are 
I 
CQ) 
[ 
Power.and 
speaker 
See 
Powe
r 
and 
Speaker 
Wiring 
Harnes
s Wi
re 
I 
on. 
L 
L
wmng 
~arness 
__ 
Identifi
ca
t
ion
, 
page 
3 
Dim 
-
Thi
s 
must 
be 
connected 
to 
a 
wire 
gauge 
suitable 
Speaker 
zo
ne 
1 
left(+) 
Speaker 
zone 
1 
left(-) 
Speaker 
zone 
1 
right(+) 
Speaker 
zone 
1 
right(
-) 
Sp
eake
r 
zone 
2 
left(+) 
!
Whit
e 
White
/b
lack 
Gray 
! 
Gray/black 
i 
Green 
for 
the 
fuse 
supplying 
the 
circuit 
it 
is 
connected 
to
. 
, 
---
--
---
---
----
--
--
-
---
-
------
---1 
f--:-------+--:-----+---
----
-·· 
--------
---
-
--
Speaker 
zone 
2 
I 
Green
/
black 
left(-) 
I 
---
--
--
--
-- - - - - -
---------
- -
----i 
Speaker 
zone 
2 
! 
Purpl
e  ' 
right(+) 
j 
j 
f--------
-
--
--
-
~
-
--
-
--
--
-
Speaker 
zon
e 2 
I 
Purple
/ 
L
ri
_
gh
_t_(-) 
______
_
____
_
__ 
(_b_
lack 
I 
----
---
- - -
--
--------
--1 
------
-
-------
---
--
- - -
In
sta
ll
at
i
on 
Instru
ctions 
Connecting 
to 
Power 
When 
connect
i
ng 
the 
stereo 
to 
power, 
you 
must 
connect 
both 
power 
wires. 
The 
yellow 
power 
wire 
should 
be 
connected 
directly 
to 
the 
battery
, 
or 
connected 
using 
a 
15 
A 
isolator 
switch. 
This 
provides 
power 
to 
the 
stereo 
and 
a 
constant 
trickle-power 
standby 
feed
. 
The 
red 
signal 
wi
re 
should 
be 
co
nne
c
ted 
to 
the 
same 
battery 
through 
the 
ignition 
or 
another 
manua
l 
switch 
to 
turn 
the 
stereo 
on 
and 
off. 
If 
you 
are 
not 
routing 
the 
red 
wire 
to 
the 
ignition 
or 
another 
manua
l 
switch
, 
you 
can 
connect 
the 
red 
wire 
to 
the 
yellow 
wi
re
, 
and 
connect 
them 
to 
t
he 
positive 
( 
+) 
battery 
term
i
nal. 
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 (3ft.), 
use 
12 
AWG 
(3.31 
mm
2
) 
wi
re. 
If 
it 
is 
ne
ces
sary 
to 
extend 
the 
red 
signa
l 
wire, 
use 
22 
AWG 
(0.33 
mm
2
) 
wire. 
1 
Route 
the 
yellow 
pow
er 
(1) 
and 
black 
ground 
@ 
wires 
to 
the 
battery 
and 
route 
the 
wir
i
ng-harness 
plug 
to 
the 
stereo. 
Do 
not 
connect 
the 
wiring 
harness 
to 
the 
stereo 
until 
all 
of 
the 
bare 
wire 
connections 
have 
been 
made
. 
2 
Connect 
the 
black 
wir
e to 
th
e n
ega
tive(-) 
battery 
terminal. 
3 










