Garmin GPS III A Owner's Manual

Also see for GPS III: Declaration of conformity Quick guide Owner's manual Owner's manual

Garmin GPS III A Owner's Manual Manual pdf 39 page image

Many features of the GPS III are menu driven. Each of the main pages has anoptions menu, allowing you to custom tailor the corresponding page to your prefer-ences and/or select special features which specifically relate to that page.To display the Position Page Options, press MENU (with the PositionPage displayed).The following options are available:Average Position— allows you to average position samples over time and save theaveraged result as a waypoint. Averaging reduces the effects of selective availabili-ty on position error and results in a more accurate position reading.To average position samples and save the result as a waypoint:1. Highlight ‘Average Position’ and press ENTER. The Average Position Page will appear.Observe the ‘Estimated Accuracy’ and ‘Measurement Time’ fields.2. When the ‘Estimated Accuracy’ and/or ‘Measurement Time’ figures reach the desiredvalue(s), highlight ‘Save’ and press ENTER. (To cancel the averaging function, highlight‘Discard’ and press ENTER.)3. The New Waypoint Page appears with a three-digit number assigned as a namefor the new waypoint. To save the waypoint with this name, highlight ‘Done’ andpress ENTER. Or,4. To change the waypoint name, highlight the waypoint name field and press ENTER.Use the rocker keypad to enter a new name for this waypoint and press ENTER whenfinished. Highlight ‘Done’ and press ENTER to save the waypoint.The Position Page Optionsallow you to average positionsamples and save the result asa waypoint, change data fieldsor restore factory defaults.When averaging positions tocreate a waypoint, observe the‘Estimated Accuracy’ and‘Measurement Time’ figures.When they reach the desiredvalue(s), highlight ‘Save’ andpress ENTER. 31REFERENCEPosition Page Options