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66 GPSMAP 2106/2110 Owner’s Manual
MAIN MENU > MAP TAB
Prefs Sub Tab
Use the Prefs sub tab to select map preferences.
• Map Outlines—turns coverage boxes on or off for BlueChart/MapSource
data.
• Symbol Set—controls the navaid symbol set:
•
NOAA—all maps are drawn using a symbol set similar to
NOAA/NIMA.
•
International—all maps are drawn using a symbol set similar to the
IALA symbol set.
• Light Sectors
—controls the drawing line sectors on the map. Select Off,
Auto, or On.
• 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 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 track
heading. Set to
All Ranges for constant Track Up. The numeric value is
the map 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.