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Bottom Lock
(Sonar Zoom View only)
Bottom Lock changes the mode of the zoomed view in the Sonar Zoom View.
Bottom Lock continuously graphs the bottom at a constant point on the display
regardless of changes in depth. This “flattens“ out the bottom contour but is
effective at showing fish on or near the bottom.
To turn on Bottom Lock:
1. In the Sonar Zoom View, highlight Bottom Lock on the Sonar X-Press™
Menu.
2. Press the LEFT or RIGHT Cursor keys to change the Bottom Lock setting
to On. (Off, On, Default = Off)
Bottom Range
(Sonar Zoom View only when Bottom Lock is On)
Bottom Range allows you to control how much of the water column, measured
up from the bottom, is shown in the Sonar Zoom View. Choose a small value to
see low-lying bottom structure or details of the bottom return. Choose a larger
value to see large structure in deeper water.
NOTE:It is possible to set the Bottom Range to be greater than the depth. In this case,
you may see surface clutter in a wavy band that mirrors changes in the depth.
To adjust the Bottom Range:
1. In the Sonar Zoom View, highlight Bottom Lock on the Sonar X-Press™
Menu.
2. Press the RIGHT Cursor key to change the Bottom Lock setting to On.
3. Once Bottom Lock is on, Bottom Range will be added to the X-Press™
Menu. Highlight Bottom Range, and press the LEFT or RIGHT Cursor
keys to adjust the setting. (10 - 60 feet, 2-10 fathoms, or 3-20 meters
[International Models only], Default = 15 feet)
Sonar X-Press™ Menu