Garmin 76s Manuale Proprietario

Connecting the Power/Data

The power/data cable connects the GPSMAP 76S to a 8-35 volt DC system 

and provides interface capabilities for connecting external devices. The color code 
in the diagram below indicates the appropriate harness connections. Replacement 
fuse is a AGC/3AG - 2.0 Amp fuse.

Interfacing

The following formats are supported for connection of external devices:

GARMIN proprietary Differential GPS (DGPS), NMEA 0183 versions 2.3, ASCII 
Text Output, RTCM SC-104 input (version 2.0).

The following are the sentences for NMEA 0183, version 2.3 output:

Approved sentences — GPRMC, GPGGA, GPGSA, GPGSV, GPGLL, GPBOD, 
GPRTE, and GPWPL; Proprietary sentences — PGRME, PGRMZ, and PSLIB.  The 
GPSMAP 76S will accept NMEA input with support for the DPT, MTW, and VHW 
sentences.  
You can dowload a copy of GARMIN’s proprieatry communication protocol on the 
Help and Support section of our website at www.garmin.com

8-35

Brown: Data Out

White: Data In

Black: Ground

Red: Power

volts DC

Autopilot/

NMEA Device

GBR 21/23

Beacon

Receiver

56

Unit View

Cable View