Making Connections; Speaker Connection - Sony MEX-M72BT Mode D'emploi

*1 Not supplied
*2 Speaker impedance: 4 Ω – 8 Ω × 4
*3 RCA pin cord (not supplied)
*4 Depending on the type of boat, use an adaptor
for a wired remote control (not supplied).
*5 Whether in use or not, route the microphone
input cord such that it does not interfere with
driving operations. Secure the cord with a clamp,
etc., if it is installed around your feet.
*6 For details on installing the microphone, see
"Installing the microphone" (page 42).
*7 Depending on the type of boat, use an adaptor
(not supplied) if the antenna (aerial) connector
does not fit.
*8 Supplied with the marine remote commander.
*9 Not waterproof

Making connections

 To a common ground (earth) point
First connect the black ground (earth)
lead, then connect the yellow and red
power supply leads.
 To the +12 V power terminal which is
energized at all times
Be sure to first connect the black ground
(earth) lead to a common ground (earth)
point.
 To the +12 V power terminal which is
energized when the ignition switch is
set to the accessory position
If there is no accessory position, connect
to the +12 V power (battery) terminal
which is energized at all times.
Be sure to first connect the black ground
(earth) lead to a common ground (earth)
point.
 To the power antenna (aerial) control
lead or the power supply lead of the
antenna (aerial) booster
It is not necessary to connect this lead if
there is no power antenna (aerial) or
antenna (aerial) booster, or with a
manually-operated telescopic antenna
(aerial).
To AMP REMOTE IN of an optional
power amplifier
This connection is only for amplifiers and
a power antenna (aerial). Connecting any
other system may damage the unit.
 To a boat's illumination signal
Be sure to first connect the black ground
(earth) lead to a common ground (earth)
point.
Subwoofer Easy Connection
You can use a subwoofer without a power
amplifier when it is connected to a rear
speaker lead.
Note
Use a subwoofer with an impedance of 4 Ω to 8 Ω,
and with adequate power handling capacities to
avoid damage.
Memory hold connection
When the yellow power supply lead is
connected, power will always be supplied to
the memory circuit even when the ignition
switch is turned off.

Speaker connection

• Before connecting the speakers, turn the
unit off.
• Use speakers with an impedance of 4 Ω to
8 Ω, and with adequate power handling
capacities to avoid damage.
Front speaker
Subwoofer
41
GB