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68 GPSMAP 2106/2110 Owner’s Manual
MAIN MENU > MAP TAB
Nav Sub Tab
Use the Nav sub tab to show or hide certain navigational features on the Map
Page and the scale at which they appear.
The Nav sub tab contains the following options:
• AutoZoom—toggles the automatic zoom on or off. When
On, the map
automatically adjusts the map to a lower range as you approach your
destination point.
• Accuracy Circle—toggles the circle on or off. The circle represents the
approximate accuracy of the GPS position based on EPE (Estimated
Position Error) and map data quality. Your actual location is somewhere
within the circle.
• Bearing Line
—sets the maximum scale at which the feature appears on the
screen and toggles the red/yellow line that continually points to the current
navigation point. Select Off, All Ranges, Auto, or <30 ft to <800 nm.
• Course Line
—sets the maximum zoom scale at which the course line
appears on-screen. Select Auto, Off, or <120 ft to <800 nm.
• Heading Line
—draws an extension from the end of the boat icon in the
direction of travel. For Distance, enter the numeric distance value to which
you want the line to extend. For Time, enter the numeric time value for
which you want the line to extend. The Time line length automatically
adjusts as your speed changes.