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74 GPSMAP 176/176C Owner’s Manual
MAIN MENU > SETUP TAB
Interface Tab
The Interface tab allows you control the input/output format used
when connecting your GPSMAP 176/176C to external NMEA
devices, a DGPS beacon receiver, a personal computer, or another
Garmin GPSMAP 176/176C.
Interface Tab
NOTE: If a DGPS receiver is used, WAAS capability is
automatically turned Off.
• Garmin Data Transfer—the proprietary format used to
upload/download MapSource data, and exchange waypoint,
route, track, almanac, and proximity data with a PC or another
Garmin GPSMAP 176/176C. When you select Garmin Data
Transfer, there are 11 Transfer Modes to choose from: Host,
Request Almanac, Request Proximity, Request Routes, Request
Tracks, Request Waypoints, Send Almanac, Send Proximity,
Send Routes, Send Tracks, and Send Waypoints.
• Garmin DGPS—used to connect the GPSMAP 176/176C with
a Garmin DGPS beacon receiver.
• NMEA In/NMEA Out—supports the input/output of standard
NMEA 0183 version 2.3 data and sonar NMEA input support
for the DPT, MTW, and VHW sentences.
• Text Out—allows the unit to output simple text data that
includes, data, time, position and velocity. The Baud can be set
to 1200, 2400, 4800, or 9600bps.
• RTCM In—allows Differential GPS (DGPS) input using a
standard RTCM format.