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MENU brings a menu on-screen for adjustment, or if a menu is already present, the next menu in
sequence will appear. Menus will go off-screen and normal operation will resume after a short
period of time. If you wish to keep the menu on-screen for an extended period of time, press
STOP.
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 the limit alarm sounds.
DOWN arrow selects the next smaller adjustment within the menu.
ENTER is used to toggle other menu options on and off.
All menus use the same general layout as shown in the sample menu. 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. With several exceptions, once a setting
has been changed, the Wide 3D Vision will remember that setting until it is again changed, even if
power is disconnected.
SENSITIVITY
As the Wide 3D Vision 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 3D Vision 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 –5, for 11 different
bias settings. A bias setting of “0” has no effect on the
automatic function. A +3 setting selects a sensitivity
setting three steps higher than the unit would normally
select, so even the smallest returns are displayed on-
screen.