3 accessory cable – Standard Horizon QUEST+ GX1256S User Manual

Page 12

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GX1256S

Page 12

4.3 ACCESSORY CABLE

White: External speaker (+)
Shield: External speaker (–)
Blue: NMEA IN (+) from GPS navigation receiver
Green: NMEA common
Gray: NMEA OUT (+) to GPS navigation receiver
Brown: Test port (for the Service Technican)

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.

Wire Color/Description

WHITE - External Speaker (+)

SHIELD - External Speaker (–)

GREEN - NMEA Ground

BLUE- NMEA Input (+)

GRAY- NMEA Output (+)

Connection Examples

Connect to external 4 Ohm audio speaker

Connect to external 4 Ohm audio speaker

Connect to NMEA (–) connection of GPS

Connect to NMEA (+) output of GPS

Connect to NMEA (+) input of GPS

External Speaker

Green

Gray

Blue

Shield
White

Brown

Green

Blue

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