Garmin 176 Manuale Proprietario

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NFORMATION

The power/data cable connects the GPSMAP 176/176C 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 

- 1.5 Amp fuse.

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 176/176C accepts NMEA input with support for the DBT, 

DPT, MTW, and VHW sentences.  
You can download a copy of Garmin’s proprietary communication 

protocol on the Help and Support section of our Web site 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

Unit View

Cable View