Humminbird 797c2 SI/NVB, Operation Manual

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Track Color Range
Track Color Range allows you to set the depth range
that will be displayed as black, the deepest depth, when Color By Depth is selected
as the style for the current track (see
Navigation Menu Tab: Current Track ).
To change the Track Color Range:
1. Highlight Track Color Range on the Navigation main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Track
Color Range setting. (50 to 3000 feet or 20 to 1000 meters
[International Units only] , Default = 50 ft, 20 m)
Map Datum
(Advanced)
Map Datum allows you to change the map coordinate system used by the
Fishing System to match those of a paper map. The Map Datum menu choice
is only available when User Mode is set to Advanced (see
Setup Menu Tab:
User Mode ).
To change the Map Datum setting:
1. Make sure you are in Advanced User Mode, then highlight Map Datum
on the Navigation main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Map
Datum setting. (Default = WGS 84)
Course Projection Line
Course Projection Line allows you to display or hide
an arrow extending from the bow of the boat that projects your current course, and
shows where the boat will go if you continue on your present course.
To change the Course Project Line setting:
1. Highlight Course Projection Line on the Navigation main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the
Course Projection Line setting (Hidden, Visible, Default = Visible)