UP ARROW selects the next larger or next sequential adjustment within the menu. Holding an Arrow button down will cause the unit to continue to make the adjustment, until a limit is reached, and a continuous chirp is heard.
DOWN ARROW selects the next smaller adjustment within the menu.
ENTER is used to toggle other menu options on and oft.
All menus use the same general layout as shown in in the sample menu below. The heading of the menu is at the top. The area in the center is controlled by the UP and DOWN ARROWS, and the area under the horizontal line is controlled by the ENTER button. Not all menus are affected by all controls, but the layout is the same regardless.
Pressing MENU repeatedly will sequentially display all available menus.
Menu Functions
The following section explains each menu in detail, and how these adjustments can be used to extract the maximum information from the sonar returns. Remember, once a setting has been changed, the Wide One Hundred will remember that setting until it is changed again, or until the unit is powered off.
Sensitivity
As the Wide One Hundred receives returned signals, the sensitivity of the receiver is adjusted automatically based on a number of factors such as the depth of the water, and the signal clarity. In murky water, full of debris, the Wide One Hundred will select a lower sensitivity setting. In clear water, where there is little debris to defract the sonar signal, the sensitivity is set higher.
The Sensitivity menu allows you to "bias" this automatic setting up or down based on personal preference. You can select a bias of +5 to
A setting of