GPS 152H Owner’s Manual 2AppendixUsing Simulator Mode WARNINGDo not try to navigate using simulator mode because the GPSreceiver is turned off. Any satellite signal strength bars shown aresimulations and do not represent the strength of actual satellitesignals.Simulator mode turns the GPS receiver off for use indoors or forpractice using the chartplotter. The chartplotter does not tracksatellites in simulator mode.appears in the lower-left corner of the main pages to indicatethat the unit is in Simulator mode.To turn on Simulator mode:1. From any Main page, press Menu twice.2. Select Sys to set speed, track control, and position.Viewing System InformationYou can view the software version and the unit ID number foryour chartplotter. You may need this information to update thesystem software or when speaking with a Garmin Product SupportRepresentative.1. From any Main page, press Menu twice.2. Select Sys, and press Menu.3. Select Software Version.Restoring the Original Factory SettingsNote: This procedure deletes all settings information you haveentered.1. From any Main page, press Menu twice.2. Select Sys, and press Menu.3. Select Restore Garmin Setup.NMEA 0183The following formats are supported for connection of externaldevices: GARMIN proprietary Differential GPS (DGPS), NMEA0183 (version 2.3), RTCM SC-104 input (version 2.0).Approved NMEA 0183 SentencesGPBOD, GPBWC, GPGGA, GPGLL, GPGSA, GPGSV, GPRMB,GPRMC, GPRTE, GPVTG, GPWPL, GPXTE, and Garminproprietary sentences PGRME, PGRMM, PGRMZ, and PSLIB.