Humminbird 700 SERIES 798CI - Manual (Page 157)

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Grid Rotation
Grid Rotation allows you to set the orientation of
the trolling grid in degrees, where a setting of 0° displays a standard North, South,
East, West alignment. See Navigation Menu Tab: Waypoints for information on
how to set a Grid.
NOTE: This feature may appear as either Trolling Grid Rotation or Grid Rotation,
depending on your model.
To change the Grid Rotation setting:
1. Highlight Grid Rotation on the Navigation main menu.
2. Press the LEFT or RIGHT Cursor keys to change the Grid Rotation
setting. (0° to 89°, Default = 0°)
Trackpoint Interval
Trackpoint Interval allows you to select the time
period between trackpoints. The current track can only contain up to 20,000
trackpoints, so longer time periods cause the track to extend back further in
time, but will be less detailed.
NOTE: Trackpoint Interval works in conjunction with Track Min Distance. Both
conditions must be met before a trackpoint is added to the current track.
To change the Trackpoint Interval setting:
1. Highlight Trackpoint Interval on the Navigation main menu.
2. Press the LEFT or RIGHT Cursor keys to change the Trackpoint Interval
setting. (1 second, 5 seconds, 10 seconds, 15 seconds, 30 seconds or
60 seconds, Default = 1 second)
NOTE: During slow travel or drift, setting both Trackpoint Interval and Track Min
Distance to small values will allow you to increase the track resolution.
Navigation Menu Tab