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Appendices
Interface formats are selected from the Interface Setup on page 43
of this manual. The input/output lines on your GPS 60 are RS-232
compatible, allowing easy interface to a wide range of external devices,
including PC’s, differential beacon receivers, marine autopilots and /or a
second GPS receiver.
The NMEA 0183 version 3.01 interface format is supported by the
GPS 60 and enables the unit to drive up to three NMEA devices.
NMEA 0183 Version 3.01 Approved Sentences:
GPGGA, GPGLL, GPGSA, GPGSV, GPRMB, GPRMC, GPRTE,
GPVTG, GPWPL, GPBOD
Garmin Proprietary Sentences:
PGRME (estimated error), PGRMM (datum string), PGRMZ (alti-
tude), PSLIB (beacon receiver control)
DGPS (Differential GPS) corrections are accepted in RTCM SC-104
version 2.0 format through the ‘Data In’ line. The Garmin GBR 21 is the
recommended beacon receiver for use with the GPS 60. Other beacon
receivers with the correct RTCM format may be used, but may not cor-
rectly display status or allow tuning control from the GPS unit.
The USB Interface Cable provided with
this unit allows you to connect your GPS 60 to a
PC-compatible computer’s USB port.
Cable Plug End View
Appendix H: Interface
Wiring Diagram
73
Appendices
()
()
()
()
Data Out
Data In
(+) Power
(-) Ground