Garmin GPSMAP 78 series Owner's Manual

Garmin GPSMAP 78 series Owner's Manual Manual pdf 32 page image

28 GPSMAP 78 Series Owner’s ManualCustomizing Your Device• Map Datum—sets the coordinatesystem on which the map isstructured.• Map Spheroid—shows thecoordinate system the device isusing. The default coordinate systemis WGS 84.altimeter SettingsFrom the main menu, select Setup >altimeter.• auto Calibration—the altimeter toself-calibrates each time you turn thedevice on.• Barometer Mode◦ Variable Elevation—thebarometer functions while you aremoving.◦ Fixed Elevation—the barometerfunctions while you are stationary.• Pressure Trending◦ Save when Power On—recordspressure data only when thedevice is turned on. This can beuseful when you are watching forpressure fronts.◦ Save always—records pressuredata every 15 minutes, evenwhen the device is turned off.• Plot Type◦ Elevation/Time—recordselevation changes over a periodof time.◦ Elevation/Distance—recordselevation changes over adistance.◦ Barometric Pressure—recordsbarometric pressure over a periodof time.◦ ambient Pressure—recordsambient pressure changes over aperiod of time.