Humminbird 1158c combo 用户指南
139
Navigation Menu Tab
Trolling Grid Rotation
Settings: 0° to 89°, Default = 0°
Trolling 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 Introduction to
Navigation: Add a Waypoint Target or Trolling Grid for information.
setting of 0° displays a standard North, South, East, West alignment. See Introduction to
Navigation: Add a Waypoint Target or Trolling Grid for information.
NOTE: This feature may appear as either Trolling Grid Rotation or Grid Rotation, depending on your
model.
model.
Trackpoint Interval
Settings: 1 second, 5 seconds, 10 seconds, 15 seconds, 30 seconds, or
60 seconds; Default = 1 second
60 seconds; Default = 1 second
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.
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.
Trackpoint Interval works in conjunction with Track Min Distance. Both conditions must be met
before a trackpoint is added to the current track. During slow travel or drift, setting both
Trackpoint Interval and Track Min Distance to small values will allow you to increase the track
resolution.
before a trackpoint is added to the current track. During slow travel or drift, setting both
Trackpoint Interval and Track Min Distance to small values will allow you to increase the track
resolution.
Track Min Distance
(Advanced)
Settings: 1 to 300 feet, or 1 to 100 meters [International Units only];
Default = 16 feet, 5 meters
Default = 16 feet, 5 meters
Track Min Distance allows you to set a minimum distance of travel before a trackpoint is added
to the track.
to the track.
Track Min Distance works in conjunction with Trackpoint Interval. Both conditions must be met
before a trackpoint is added to the current track. During slow travel or drift, setting both
Trackpoint Interval and Track Min Distance to small values will allow you to increase the track
resolution.
before a trackpoint is added to the current track. During slow travel or drift, setting both
Trackpoint Interval and Track Min Distance to small values will allow you to increase the track
resolution.
Track Color Range
Settings: 50 to 3000* feet or 20 to 1000 meters [International Units only],
Default = 50 feet, 20 meters
Default = 50 feet, 20 meters
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).
depth, when Color By Depth is selected as the style for the current track (see Navigation Menu
Tab: Current Track).
*NOTE: Only an optional-purchase transducer with a 50 kHz frequency will allow you to track to 3000 feet.