Customizing Your DeviceRino 650 Owner’s Manual 21System SettingsSelect Setup > System.• GPS—sets the GPS to Normal,WAAS/eGNoS (Wide AreaAugmentation System/EuropeanGeostationary Navigation OverlayService), or Demo Mode (GPSoff). For information about WAAS,go to www.garmin.com/aboutGPS/waas.html.• Language—sets the text languageon the device.Note: Changing the text languagedoes not change the language ofuser-entered data or map data, suchas street names.• Battery type—allows you to selectthe type of battery you are usingwith the optional Alkaline batterypack (page 34).• Interface—sets the format of theserial interface:◦ Garmin Spanner—allowsyou to use the USB port withmost NMEA 0183-compliantmapping programs by creating avirtual serial port.◦ Garmin Serial—Garminproprietary format used toprovide PVT protocol data.◦ NMeA In/out—providesstandard NMEA 0183 outputand input.◦ text out—provides simpleASCII text output of locationand velocity information.◦ RtCM—Radio TechnicalCommission for MaritimeServices allows the deviceto accept DGPS DifferentialGlobal Positioning Systeminformation from a devicesupplying RTCM data in anSC-104 format.