GPSMAP 3005C Owner’s Manual 5MAIn Menu > MAP tAb• Spot Soundings—turns on the depth spot sounding data. Select On,Warn Depth, or Off.• Warn Depth—shows the spot sounding below the set value in red. Thisfield is available only when Warn Depth is selected in the Spot Soundingsfield.• Orientation—sets the orientation of the map display:• North Up—fixes the top of the map display to a north heading.• Track Up—fixes the top of the map display to the current trackheading. Set to All Ranges for constant Track Up. The numeric value isthe map range at which the unit switches to North Up when zoomingout.• Course Up—fixes the map so the direction of navigation is always upand turns the course line vertical on the screen.• Defaults—restores map settings to factory defaults for all tabs. Press theDefaults soft key to restore original settings.Detail Sub TabUse the Detail sub tab to control the amount of detail for charts, waypoints, activeroutes, Tide Stations, services, saved tracks, and track logs shown on the MapPage.• Chart—controls how much map detail you see and which charts the unitchooses to use for a particular zoom range. Select Most, More, Normal,less, or least.• Chart, Waypoints, Active Route, Tide Stations, Services, lat/lonGrid—sets the maximum scale at which the feature should appear on-screen. Select Off, All Ranges, Auto, or <30 ft to <800 nm.NOTE: Some types of data only show up to certain zoom scales.M aInM enu
