GPSMAP 292/298 Owner’s Manual 93APPENDIX > INTERFACING AND CARING FOR THE SCREENInterfacingThe following formats are supported for connection of externaldevices:The following are the sentences for NMEA 0183, vs. 3.01 output:Approved sentences—GPRMC, GPRMB, GPGGA, GPGSA,GPGSV, GPGLL, GPBOD, GPBWC, GPVTG, GPRTE, GPXTE,GPWPL, SDDBT, SDDPT, SDMTW, SDVHW, and GPAPB.Proprietary sentences—PGRME, PGRMM, and PGRMZ. TheGPSMAP 292/298 accepts NMEA input with support for the DBT,DPT, MTW, VHW, and WPL sentences.You can download a copy of Garmin’s proprietary communicationprotocol on the Help and Support section of our Web site atwww.garmin.com.Complete information regarding NMEA format is available forpurchase at www.nmea.orgCaring for the ScreenThe unit’s lens is coated with a special anti-reflective coating that is sensitiveto skin oils, waxes and abrasive cleaners. Cleaners containing ammonia,alcohol, abrasives, or anti-grease detergents will harm the anti-reflectivecoating. It is important to clean the lens using an eyeglass lens cleaner (that isspecified as safe for anti-reflective coatings) and a clean, lint-free cloth.Water ImmersionThe unit is waterproof to IEC Standard 60529 IPX7. It can withstandimmersion in 1 meter of water for 30 minutes. Prolonged submersion cancause damage to the unit. After submersion, be certain to wipe and air dry theunit before reuse.
