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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 to 20, Default = 10)
• Sharpness
: Filters the view and sharpens the edges of the Side
Imaging® data. (Low (L), Medium (M), High (H), Default = Off)
• Contour Mode: Controls how the water column is displayed in the Side
Imaging® Views. In the normal display with the Contour Mode off, the
water column is displayed on the view. The location of a target on the
display is based on the slant range to the target.
When Contour Mode is turned on, the bottom is graphed at a constant
point on the display, regardless of changes in depth. The Side Imaging®
beams are divided by a vertical line. The water column is removed from
the view, which allows the display to show targets at their linear
horizontal distance. The location of a target may be easier to interpret
when the water column is removed. (Off, On; Default = Off)
NOTE: If both SI Range Lines and Contour Mode are turned on, the SI Range Lines
will remain on the display, but the individual range numbers are not available (see
Sonar Menu Tab: SI Range Lines).
SI Enhance Submenu
Side Imaging® X-Press™ Menu