Garmin 225 Manuale Proprietario

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Complete information concerning NMEA 
formats and sentences is available  for 
purchase from NMEA at:
NMEA
PO Box 3435
New Bern, NC 28564-3435
252-638-2626
252-638-4885 FAX. 
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The following interface formats are supported by the GPSMAP system for 
connection to up to three NMEA devices (GPSMAP units with built-in DPGS
do not support RTCM DGPS corrections data inputs or the PSLIB beacon
receiver control sentence output):
NMEA 0180
NMEA 0182
NMEA 0183 version 1.5
Approved sentences—
GPBWC, GPGLL, GPRMB, 
GPRMC, GPXTE, GPVTG, GPWPL
Proprietary sentences—
PGRMM (map datum), PGRMZ (altitude), 
PSLIB (beacon receiver control input)
NMEA 0183 version 2.0
Approved sentences—
GPGGA, GPGSA, GPGSV, GPRMB, GPRMC, GPRTE, GPWPL
Proprietary sentences—
PGRME (estimated error), PGRMM (map datum)
PGRMZ (altitude), PSLIB (beacon receiver control input)
DGPS corrections are accepted in RTCM-104 v. 2.0 format through the
NMEA in (BROWN) harness lead. The GARMIN GBR 21 or GBR 23 are the
recommended beacon receivers for use with the GPSMAP system.Other
receivers with the correct RTCM format may be used, but may not correctly
display DGPS status on the GPSMAP display or allow tuning control from the
GPSMAP unit.
SECTION
B
APPENDIX
NMEA Formats
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