Garmin GPSMAP 3005C - Marine GPS Receiver Owner's Manual

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Contents

GPSMAP 3005C Owner’s ManualgettIng stArted > InItIAlIzIng the gPs receIverReceiver Status and AccuracyThe receiver status is shown in the Status field on the Info sub tab. Currentaccuracy is shown in the EPE (Estimated Position Error) field. Accuracy usesmany factors to calculate location accuracy in feet or meters including the numberof received GPS satellites, signal strength, and satellite orientation. The Statusfield shows one of the following conditions:• Searching for Satellites—the receiver is looking for any satellites andcollecting data from satellites visible at its last known or initializedlocation, but has not collected enough data to calculate a fix. This processcan take up to five minutes.• Ready For Navigation—at least three satellites with good geometry havebeen acquired, and your location is now being calculated in latitude andlongitude; or at least four satellites have been acquired, and your locationis being calculated in latitude, longitude, and elevation. “Ready ForNavigation with WAAS” appears when you are receiving WAAS satellitecorrections in 2-D or 3-D, and a D appears on the strength bar of satellitesbeing corrected.After the receiver has collected information from at least three satellites, theStatus field shows either “Ready for Navigation” or “Ready for Navigation withWAAS.” The GPSMAP 3005C is now ready for use. Press QUIT to return to theMap Page.GPS SetupThe Setup sub tab provides access to functions and features relating to initializingthe GPS receiver.To access the GPS Setup sub tab:1. Press and hold ADJ/MENU to open the Main Menu.2. Highlight the GPS tab, and then highlight the Setup sub tab.Setup Sub TabThe GPS Setup tab contains the following options:• Skyview Orientation—allows you to select a sky view orientation, eitherNorth Up or Track Up, for the GPS Info sub tab only.• Source—set to Garmin when using a Garmin sensor (GPS 17); set toNMEA when using any other GPS NMEA source.• WAAS—turns WAAS on or off. See page 98 for more information.The following soft keys are active only when the unit is not receiving satellitesand the Source is not set to Garmin:• Autolocate—allows the receiver to find your location automatically. Thisprocess can take up to five minutes.• Set Position—allows you to initialize the receiver from the Map Page toinitially help the receiver acquire satellites more quickly.GettInGstarted