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
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
