2 - NAV PAGES52 190-00356-00 Rev GPosition PageSome listed frequencies may include designationsfor limited usage, as follows:“TX” - transmit only“RX” - receive only“PT” - part time frequencyIf a listed frequency has sector or altitude restric-tions, the frequency will be preceded by an “Info?”designation.To view usage restrictions for a frequency:1. Turn the large right knob to place the cursoron the “Info?” designation directly in front ofthe desired frequency.2. Press ENT to display the restriction informa-tion.3. To return to the NAVCOM page, press ENT.Position PageThe position page displays your present position (bydefault, in latitude and longitude) and altitude. Theposition page also displays your current track, groundspeed, time and a reference waypoint field. Thesefields are user-selectable to configure the page to yourown preferences and current navigation needs.User-selectableData FieldsGraphic “Track”IndicatorPresentPositionPage location inNAV groupReferenceWaypoint FieldsThe graphic “track” indicator at the top of thepage indicates the direction you’re heading, or track,only while you’re moving. Directly below are threeuser-selectable fields, which by default, display track,ground speed and altitude. Minimum safe altitude(MSA) can also be displayed on these fields. MSA isthe recommended minimum altitude within approxi-mately ten miles of your present position. MSA is cal-culated from the information contained in the databaseand generally includes mountains, buildings and otherpermanent features.The Time and other data may not be displayeduntil the unit has acquired enough satellites for a fix.The graphic “track” indicator and the TRKindication directly below it provide the sameinformation. Use the graphic “track” indicatorfor quick at-a-glance ground track information.
