Using the Main Pages Profile Change When you are using a profile and you change settings such as data fields, units of measurement, or position settings, they are saved automatically as part of the profile you are using. For more information about customizing your profile, see page 30 . After you calculate the area, you can save the track to your device and change the unit of measure. Satellite The satellite page shows your current location, GPS accuracy, satellite locations, and signal strength. Setting a Profile 1 From the main menu, select Profile Change . Your current profile is indicated on the page. 2 Select a profile. Satellite Settings From the satellite page, press menu .
Use With GPS On —allows you to turn the GPS on and off. Track Up —indicates whether satellites are shown with rings oriented with North toward the top of the screen or oriented with your current track toward the top of the screen. Single Color —allows you to select whether the satellite page is displayed in multicolor or single color. Set Location On Map —allows you to mark your current location on the map. This option is available only Area Calculation Calculating the Size of an Area 1 From the main menu, select Area Calculation > Start . 2 Walk around the perimeter of the area you want to calculate. 3 Select Calculate when finished. 18 GPSMAP 78 Series Owner’s Manual