Garmin GPS III A Owner's Manual

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

This usually provides a position fix in 1 minute. You’ll know you have a fix whenthe unit automatically transitions from the Satellite Page to the Map Page (shownleft). Your receiver is now ready to use!To turn the unit off:1. Press and hold the red power key for 1 second.TroubleshootingIf you have trouble initializing or getting a position fix, check the following:• Does the receiver have a clear view of the sky?If there are large buildings or mountains, or if there is heavy tree cover, thereceiver may not be receiving enough satellite signals to calculate a fix. Also, ifyou’re using the GPS III on a car dash, make sure the unit is placed so that it hasthe clearest possible view of the sky. Your GPS will only be able to detect satel-lites that it can “see” through your vehicle’s windshield. Depending on the slopeof your dash or the overall surface area of the window, it may be necessary tomount an external antenna on your vehicle’s roof or trunk in order to give theunit a better view of the sky. (Contact your local GARMIN dealer and inquireabout the GA 26 low-profile remote antenna, part number 010-10052-02.)• Have you selected the right area when initializing?Check for the correct approximate position on the Map Page (press PAGE untilthe Map Page appears; see pages 7 and 10), or reselect your approximatelocation to restart the initialization.• Have you moved more than 500 miles from the last calculated positionwith the receiver off?Reinitialize the receiver by selecting your approximate position on the map, orselect ‘AutoLocate’ from the Satellite Status Page options (see page 29).To initialize the GPS III,designate your approximatelocation directly on the mapdisplay. Use the rocker keypadand IN/OUT zoom keys toposition the cursor on the map.Once the GPS III has a posi-tion fix, it will automaticallytransition from the SatelliteStatus Page to the Map Page.6GETTING STARTEDInitialization