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44 GPSMAP 76Cx Owner’s Manual
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Interfacing
The following formats are supported for connection of
external devices.
Garmin Proprietary Sentences—PGRME (estimated
error), PGRMM (datum string), PGRMZ (altitude).
The NMEA 0183 version 3.01 interface format is
supported by the GPSMAP 76Cx and enables the unit
to drive up to three NMEA devices.
The following are the sentences for NMEA 0183,
version 3.01 output:
Approved sentences—GPGGA, GPGLL, GPGSA,
GPGSV, GPRMB, GPRMC, GPRTE, GPVTG,
GPWPL, GPBOD, GPAPB
The USB Interface Cable provided with this unit allows
you to connect your GPSMAP 76Cx to a PC-compatible
computer’s USB port.
The Advanced NMEA Setup
Page, accessed from the
Interface Setup Page Options
Menu allows you to enable or
disable NMEA sentences, set
waypoint ID’s and the precision
of Lat/Lon minutes.
Optional Power/Data Serial Port Cable with Bare Wire Leads