GPS – 3SWhen set to “GPS Only”, you can operate only thefollowing key functions.KeyName [KEY] [F], [KEY] [KEY] (1s) [KEY] +Power ON[LAMP] Lamp ContinuousLamp On Lamp –[ ][ ][ OK][ESC ]– Function/Menu select – –[MENU] MenumodeRF powerselect – –[A/B] – – – –[1] MARK InternalGPS On/OffRegistermodeof MarkWaypoint–[2] –Startingthe LOGfunction– –[3] POS – – –[F] Functionmode – – Reset modeQ Battery Saver (GPS Save)This function will turn the GPS power source Offafter the programmed timer expires if position datais not determined during the maximum catching time(approximately 5 minutes). To prevent unnecessarybattery consumption, when there are many receptionsatellites, the GPS is stabilized and position data canbe determined, the GPS power source repeatedly turnsOn and Off.1 Enter Menu mode and access Menu 201.2 Set GPS Off time to “Off”, 1, 2, 4, 8, or “Auto”.Auto: When set to Auto, the GPS Off time startsat 1 minute for the first time, then progresses to 2minutes, 4 minutes and 8 minutes each additional time.The GPS Off time remains at 8 minutes thereafter.However, after having determined your position for theduration, if the GPS cannot pinpoint your location, theGPS Off time will restart at 1 minute.Note:X Position precision may be improved by setting the BatterSaver (GPS Save) function to “Off”.X You cannot set the SBAS function to “On” when the BatterSaver (GPS Save) function is 1, 2, 4, 8, or Auto. Set theBattery Saver (GPS Save) function to “Off”.Q GPS Data PC OutputTurn this function on when you want to send theInternal GPS receiver data (NMEA) from the PCterminal using.1 Enter Menu mode and access Menu 202.2 Set PC Output to “Off” or “On”.GPS DATA SETUPQ Land Survey System DatumWhen using the Internal GPS receiver, set up thenecessary land surveying system.For APRS, select “WGS-84” (world land surveyingsystem).1 Enter Menu mode and access Menu 210.2 Set Datum to “WGS-84”.• This function does not work when using an externalGPS receiver.Q SentenceAdds an NMEA sentence to the Internal GPS receiverdata output from the PC.1 Enter Menu mode and access Menu 211.2 Set Sentence to “$GPGGA”, “$GPGLL”, “$GPGSA”,“$GPGSV”, “$GPRMC”, “$GPVTG”, or $GPZDA”.• With BEACON transmission, the “$GPGGA”“$GPRMC” check ( ) cannot be removed innecessary information and satellite image information.• You cannot output an NMEA sentence from anexternal GPS receiver to a PC.