APPENDIX BSpecifications &WiringThree optional cables are available to connect the GPS 12XL to an externalpower source or interface with another unit or PC:• Cigarette Lighter Adapter— Allows connection to a 12-volt DC cigarettelighter plug. Part No. 010-10085-00.• Data Transfer Cable— Allows data transfer between GARMIN GPS units. TheGPS 12XL is compatible with the following units: GPS 38/40/45/45XL, GPSII/II plus, GPS12, and GPS 12XL. Information that can be transferredincludes the almanac, waypoints, routes, and tracklog. However, waypointsymbols are only transferrable from or to units that support waypoint symbolssuch as the GPS II plus, GPS 12, and GPS 12XL software version 3.01 orlater. Part No. 010-10142-00.• PC Kit Interface Cable— PC interface cable with 9-pin ‘D’ serial data connec-tor. Part No. 010-10141-00. (A combined Cigarette Lighter Adapter and PCInterface Cable is also available as Part No. 010-10165-00.)The following interface formats are supported by the GPS 12XL for connectionto up to three NMEA devices:unit viewNMEA 0180NMEA 0182NMEA 0183 version 1.5Approved sentences:GPRMB, GPRMC, GPWPLProprietary sentences:PGRMM (map datum),PGRMZ (altitude), PSLIB(beacon rec. control)NMEA 0183 version 2.0Approved sentences:GPGGA, GPGSA, GPGSV,GPRMB, GPRMC, GPRTE,GPWPLProprietary sentences:PGRME (estimated error),PGRMM (map datum), PSLIB(beacon receiver control)DGPS corrections are accepted onRTCM-104 v. 2.1 format.53