Garmin GPS III Owner's Manual

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

The GPS III Pilot’s Map Page combines digital charts and Jeppesen data with anumber of user-selectable features. Before we select our destination and begin navi-gating toward it, let’s take a look at some of those features.The map display shows your present position using an airplane icon in the centerof the screen. The Map Page also shows any nearby airports, navaids, airspace bound-aries, lakes, rivers, highways and towns. Use the zoom keys (IN and OUT) to adjustthe map to the desired scale. The current scale is indicated in the lower-left corner.To change the map scale:1. Press the IN zoom key to select a smaller scale and display a smaller geographic area.2. Press the OUT zoom key to select a larger scale and display a larger geographic area.The map can be oriented with the top of the page always pointing north (‘NorthUp’), oriented along your desired course (‘Course Up’), or it can automatically rotateto keep your current direction of travel at the top of the screen (‘Track Up’).Let’s try panning around on the map display to see how that process works, andthen we’ll find a nearby airport, VOR, NDB or intersection and navigate to it. First wewill need to select an appropriate map scale to begin our search.Select a five nautical mile scale by pressing zoom IN or OUT repeatedly.In the ‘Track Up’ orientation,the map is automaticallyrotated to keep your currentdirection of travel at the topof the screen. Note the northindicator in upper-left corner.Use the IN/OUT zoom keysto change the map scale. Thecurrent scale appears in thelower-left corner of the mapdisplay.19SIMULATOR TOURUsing the Map PageBackground Cities,Roads and LakesPresent PositionNearby AirportCurrent ScaleSetting