Garmin GPSMAP 640 Owner's Manual - Page 47

Channel Entry-enter a channel using the on-screen keyboard. Category-select the category of channels that are displayed in the Channel Guide. Save Preset-save the current XM channel in the Presets list. Touch Delete Preset to remove the current channel from the list. "Presets" is displayed as a category in the category list. Configuring Navigation Chart Options From the Navigation chart, touch Menu. Waypoint and Tracks-access shortcuts to waypoint and track information. For more information on waypoints and tracks, see page 22. • Tracks-toggle tracks on or off. • Waypoints List-view a list of all saved waypoints. • New Waypoint-mark a new waypoint. • Active Track-change active track options, clear the active track, follow the active track, or save the active track. • Saved Tracks-view the saved tracks list. • Tracks Display-show or hide tracks on the chart according to color. Marine Mode: Advanced Configuration • Waypoints Display-select whether to show labels for waypoints of a particular symbol with the waypoint name, a comment, or a symbol only. You can also select to hide a waypoint on charts by symbol. This allows the waypoints on the map to be quickly limited to those most relevant to your current activity. Other Vessels-access AIS and DSC shortcuts, as well as chartspecific AIS display settings. • DSC List-view the DSC list. See page 31. • DSC Trails-select the number of hours to show tracked vessels on the Navigation chart. For example, if you select 4 Hours, all trail points less than four hours old for tracked vessels are displayed. The Navigation chart displays a black line indicating the path of the vessel, a black dot for each reported position, and a Blue Flag symbol indicating the last reported position. Touch Off to turn trails off for all vessels. • AIS List-view the AIS list. See page 31. • AIS Alarm-set the AIS alarm. See page 37. • AIS Display Setup-configure chart-specific AIS display settings. ◦ AIS Display Range-specify the distance from your boat on the navigation chart where AIS icons are visible. GPSMAP 640 Owner's Manual 39