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Another use of the Sensitivity menu is to select the bottom representation. The Wide W normally
displays a variable Structure ID bottom, which can allow experienced users to determine the
texture or relative hardness of the bottom. For simplicity, you can select a black bottom using the
ENTER button. This blackens in the display below the bottom for easiest recognition of the
bottom location, even from a great distance.
RANGE
The Wide W adjusts the depth range automatically, so the bottom return is displayed at the
bottom 1/3 of the display. This leaves the top 2/3 to display anything between the surface and the
bot tom. As your boat moves over deeper or shallower water, the unit adjusts the depth range of
the display to keep the bottom return in the same general area on the screen.
However, you may choose to control this range adjustment manually. By pressing ENTER, you
can select manual operation, meaning the unit will no longer adjust the depth range automatically.
The depth range selected is controlled by the UP and DOWN arrow buttons. Ranges of 0-15 feet,
30 feet, 60 feet, 120 feet, 180 feet, 240 feet, 360 feet 480 feet, & 600 feet can be selected. An
onscreen icon indicates whether the unit is in “Auto” or “MNL” (manual) range control.
If you alter the depth range, Manual operation is automatically selected. This feature is valuable
if you are only interested in targets near the surface. The Wide W will always display the digital
depth of the water, regardless of whether the bottom is shown on the selected depth range.
ZOOM
Another form of range control is Zoom. Zoom allows selection of various ranges for full screen
viewing, not necessarily including the surface. By using the display to view a smaller area, the