Garmin aera 500 Series Pilot’s Guide190-01117-02 Rev. Aappendix d145Overview GPS Navigation Flight Planning Hazard Avoidance Additional Features Appendices IndexNMEA Sentence Output:Normal Mode: GPRMB, GPRMC, GPGGA, GPGSA, GPGSV, GPGLL, GPBWC,•GPVTG, GPXTE, GPBOD, GPRTE, GPWPL, GPAPB, PGRME, PGRMZ, PGRMM,and PGRMH.Fast Mode: GPRMB, GPRMC, PGRMZ, and PGRMH.•uSiNG aN exterNal GPS aNteNNa (OPtiONal)The optional GA27C or GA25 external antenna can be used. Connect the antennato the connector located on the left side of the unit.External Antenna ConnectorExternal Antenna Connec-tor (Under Weather Cap)