30The AltimeterPageReferenceView Points - OverviewThe ‘View Points’ option allows you to scroll throughthe stored elevation profile and to view a single pointalong the profile. When the pointer is stopped at a loca-tion along the profile, the elevation, time of day and datethe point was created are displayed.Step-by-Step InstructionsTo use the ‘View Points’ option:1. Use the CLICK STICK to access the page Options Menu.2. Highlight the ‘View Points’ option and press in on theCLICK STICK to display the View Points Page.3. Move the CLICK STICK Right or Left to scroll the profilepast the pointer in the center of the page.4. Observe that as the profi le moves past the pointer, thestatus window at the top of page changes to display thedate, time, and altitude for the point beneath the pointer.Calibrate Altimeter - OverviewBecause the eTrex Vista relies on the Barometricpressure to determine the altitude and the pressure atany given elevation can fluctuate, you can calibrate thealtimeter to increase its accuracy. In order to do thisyou must know the altitude at your current location. Youcan obtain this information from a map or other reliablesource. Of course, if that information matches the eleva-tion display on the unit, calibration isn’t necessary.Step-by-Step InstructionsTo calibrate the altimeter:1. Use the CLICK STICK to access the page Options Menu.2. Highlight the ‘Calibrate Altimeter’ option and press in onthe CLICK STICK to display the Calibration Page.3. The page will display a message stating “Do You Know TheCorrect Elevation?”. Highlight the on-screen ‘Yes” buttonand press in on the CLICK STICK.4. A number keyboard will display. Use the CLICK STICK toenter the new elevation, then highlight ‘OK’ and press it into return to the Altimeter Page.5. If you selected ‘No’, you will also return to Altimeter Page,but with no change the elevation.Calibration Pagewith ‘Number’ keyboarddisplayed.Enter known altitude,highlight ‘OK’ and press inon the CLICK STICK tocalibrate the altimeter.Altimeter Page‘View Points’ Option