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GX3500S
2. Connect the red power wire to a 13.8 VDC ±20% power source. Connect
the black power wire to a negative ground.
3. If an optional remote extension speaker is to be used, refer to next section
for connections.
4. It is advisable to have a Certified Marine Technician check the power output
and the standing wave ratio of the antenna after installation.
8.3 ACCESSORY CABLE
White
: External speaker (+)
Shield
: External speaker (–)
Red
: PA speaker (+)
Shield
: PA speaker (–)
Blue
: NMEA IN (+) from GPS navigation receiver
Green
: NMEA IN (–) from GPS navigation receiver
Gray
: NMEA OUT (+) to GPS navigation receiver
Brown
: NMEA OUT (–) to GPS navigation receiver
When connecting the external speaker or GPS navigation receiver, strip off
about 1 inch (2.5 cm) of the specified wire’s insulation, then splice the ends
together using proper waterproofing techniques.
Wire Color/Description
WHITE - External Speaker (+)
SHIELD - External Speaker (–)
RED - PA Speaker (+)
SHIELD - PA Speaker (–)
BLUE- NMEA Input (+)
GREEN - NMEA Input (–)
GRAY- NMEA Output (+)
BROWN-NMEA Output (–)
Connection Examples
Connect to external 4 Ohm audio speaker
Connect to external 4 Ohm audio speaker
Connect to external 4 Ohm PA speaker
Connect to external 4 Ohm PA speaker
Connect to NMEA (+) output of GPS
Connect to NMEA (–) output of GPS
Connect to NMEA (+) input of GPS
Connect to NMEA (–) input of GPS
External Speaker
GPS Receiver
PA Speaker
Green
Blue
NMEA OUT
NMEA OUT
NMEA IN
NMEA IN
( )
( )
( )
( )
Gray
Brown
Shield
Shield
Red
White
DISTRESS
PULL OPEN
-/*
JKL
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30