Scroll Rate controls the rate of update of the display. There are five rate settings available. The default setting is rate 4 - you may speed up or slow down the update rate to match your personal preference. To present the most accurate representation of the terrain beneath your boat, the scroll rate of the display should be approximately synchronized to the speed of the boat. If your boat is stationary or moving slowly, select a slower scroll rate, and if you typically operate the boat at high speeds, use a faster scroll rate.
Contrast adjusts the display screen for easier viewing under given light conditions. There are 9 contrast settings available.
Sonar mode controls three different modes of operation. The default position is "down", where the Wide 3D View uses the
User Level is used to select Normal or Advanced operation. Advanced mode performs several functions which will benefit the experienced user. Icons are not shown and numerical data is smaller to allow more of the display to be used for the picture of the bottom. Several other changes in operation occur which are designed to increase the speed of adjustments, and maximize the graphic use of the display. Refer to "Advanced Operation" for more detailed information.
Perspective selects the point of view for the 3D view. Right perspective is the default setting, and the viewpoint is from the right side of the boat. Left perspective changes the point of view to the opposite side of the boat. Perspective can be changed to view terrain normally hidden from a