Garmin GPSMAP 3006C, 3010C Owner's Manual page 77

• 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. This
field is available only when Warn Depth is selected in the Spot Soundings
field.
• Orientation—sets the orientation of the map:
• North Up—fixes the top of the map to a north heading.
• track Up—fixes the top of the map to the current track heading. Set to
All Ranges for constant Track Up. The numeric value is the map zoom
range at which the unit switches to North Up when zooming out.
• Course Up—fixes the map so the direction of navigation is always up
and turns the course line vertical on the screen.
• Defaults—restores map settings to factory defaults for all tabs. Press the
Defaults soft key to restore original settings.
GPSMAP 3006C/3010C Owner's Manual
Detail Sub Tab
Use the Detail sub tab to control the amount of detail for charts, Waypoints,
Active Routes, Tide Stations, Services, Saved Tracks, and Track Logs shown on
the Map Page.
• Chart—controls how much map detail you see and which charts the
unit chooses to use for a particular map zoom range. Select Most, More,
Normal, less, or least.
• Chart, Waypoints, Active Route, tide Stations, Services, lat/lon
Grid—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 map zoom ranges.
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