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Map Data................................................................................... 141
Earth Map Detail..................................................................141
Pop-up Map Info.................................................................... 141
Fill Water With White.......................................................... 141
Map Overlays (Range Rings; Lat/Long Grid) ...................... 142
Map Datum Selection ............................................................... 142
Map Detail Category Selection................................................. 143
Map Orientation .......................................................................144
Overlay Data............................................................................. 145
Pop-up Help............................................................................... 148
Reset Options............................................................................148
Screen Contrast and Brightness.............................................. 149
Set Language ............................................................................150
Set Local Time .......................................................................... 150
Show WAAS Alarm...................................................................151
Software Version Information..................................................152
Sounds and Alarm Sound Styles..............................................153
Track Smoothing.......................................................................153
Trail Options.............................................................................154
Delete All Trails....................................................................155
Update Trail Criteria........................................................ 155
Specific Trail Options........................................................ 156
Trail Visible/Invisible and Other Trail Options ..................157
Units of Measure....................................................................... 157