Humminbird 1158? combo, Product Manual

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SI Enhance
Settings: Press the RIGHT Cursor key.
SI Enhance allows you to adjust your Side Imaging® View in three categories: Sensitivity,
Contrast, and Sharpness.
Whether you’re searching the Side Imaging® data for fish or certain bottom contour, the most
effective settings will vary with the situation. The display will update as you adjust each
category. SI Enhance can also be used during Recording Playback (see
Snapshot and
Recording View ).
• Sensitivity - Controls how much detail is shown on the display. When operating in very
clear water or greater depths, increased sensitivity shows weaker returns that may be
of interest. Decreasing the sensitivity eliminates the clutter from the display that
is sometimes present in murky or muddy water.
(1 to 20, where Low = 1, High = 20,
Default = 10)
NOTE: The Sensitivity can be adjusted from the SI Enhance dialog box or the Side Imaging® X-Press™
Menu. The Sensitivity setting is provided here so that you can easily adjust the Side Imaging® data with
the other settings. See
Side Imaging ® X-Press™ Menu: SI Sensitivity for more information.
• Contrast : Accents the light and dark parts of the Side Imaging® data to provide greater
definition. (1-20, Default = 10 )
• Sharpness: Filters the view and sharpens the edges of the Side Imaging® data. (Low (L),
Medium (M), High (H), Default = Off)
SI Range
Settings: 6 to 360 feet, or 2 to 120 meters [International Models only];
Default = 150 feet, 50 meters
SI Range sets the deepest range that will displayed in the Side Imaging® views. The range must
be set manually.
Choose a low range number to focus on a shorter distance of the water column and see greater
detail on the screen. Choose a higher range number to view farther into the water and see an
overview of details on the screen.
SI Enhance Submenu
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Side Imaging ® X-Press ™ Menu