Garmin 520 - Manual (Page 121)

Interface Information
Interface formats are selected in the Setup Interface Page.
See also the “MapSource Setup” section of this Appendix
for information on using the Rino 520/530 with MapSource.
The input/output lines on your Rino 520/530 unit can be
made RS232 compatible by using the optional RS232 PC
Interface Cable accessory available from Garmin, in order
to interface to a wide range of external devices, including
PCs, differential beacon receivers, marine autopilots, or a
second GPS receiver. Refer to the Garmin web site www.
garmin.com for the RS232 Cable Accessory ordering
information.
The NMEA 0183 version 3.01 interface format is
supported by the Rino 520/530 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 (altitude), 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 and GBR 23 are the
recommended beacon receivers for use with the Rino
520/530. Other beacon receivers with the correct RTCM
format may be used, but may not correctly display status
or allow tuning control from the GPS unit.
111 Rino ® 520/530 Owner’s Manual
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