ivSelecting GPS Fix Alarm ........................ 40Viewing the Alarm/MSG Menu .............. 40Selecting Alarm Defaults ........................ 40Clearing Alarm Defaults ......................... 40Customizing ............................. 41Selecting Setup ..................................... 41Selecting Initialize ................................. 41Disabling NAV Screens .......................... 41Selecting a Coordinate System ............... 42Selecting Map Datum ............................ 43Selecting Elevation Mode ....................... 43Selecting Time Format ............................ 44Selecting NAV Units .............................. 44Selecting North Reference ...................... 44Selecting Light Timer .............................. 45Selecting the Beeper .............................. 45Selecting Personalize ............................. 45Selecting Clear Memory ........................ 46Selecting NMEA ................................... 46Selecting Baud Rate............................... 47Connecting to DGPS .............................. 48Troubleshooting ....................... 49Commonly Asked Questions ................... 50Contacting Magellan ............................. 51Shipping Your Receiver .......................... 51NMEA Data Messages .............. 52