eTrex H Owner’s Manual M aIn MenuTo change the North Reference:1. Press PAGE to switch to the Menu page. SelectSETUP > ENTER.2. Select UNITS > ENTER.3. Select NORTH REF > ENTER.4. Select the reference (TRUE, MAG, GRID, orUSER) > ENTER.VarianceThe eTrex lists the variance between Grid North andTrue North for the selected North Reference grid.To enter Variance manually:1. From the Menu page, select SETUP > ENTER.2. Select UNITS >NORTH REF > USER.3. Select VARIANCE > ENTER.4. Enter a value > ENTER.AngleShow directional information in dEGREES or MILS.To select an Angle setting:1. From the Menu page, select SETUP > ENTER.2. Select UNITS > ENTER.3. Select ANGLE > ENTER.4. Select DEGREES or MILS > ENTER.DefaultsRestore the Units page to the default settings byhighlighting DEFAULTS > ENTER.Interface PageUse the Interface page to connect and use devicessuch as computers.Input/Output FormatsGARMIN—the format for exchangingwaypoint, route, and track data.GARMIN DGpS—dGPS input using aGarmin beacon receiver and a standard RTCMSC-104 format and dGPS tuning.NMEA oUT—supports the output of standardNMEA 0183 version 3.0 data.TEXT oUT—simple ASCII text output oflocation and velocity information.RTCM IN—dGPS input using a standardRTCM SC-104 format.•••••