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A-GAIN-LEVEL
Automatic Gain Level configures how the system controls the
gain level when the Auto-Gain feature is on. “L” keeps the gain
control on the lower side, “M” keeps it near the middle, and “H”
keep the gain high.
To change the A-GAIN-LEVEL for the left beam press...
MENU --> MENU--> --> -->
then or .
A-MODE
This setting places a vertical display at the right side of the beam
view which shows an “instantaneous” view of current informa-
tion. It does not speed up the update rate of the unit, but it does
allow you to recognize changes more quickly than the normal
view, especially at lower sweep speeds.
To activate or disable A-Mode for the left beam press...
MENU --> MENU--> -->
then or .
HARD-BTM-ALM
The Hard Bottom Alarm will sound an audible alarm when the
unit detects a second echo. It will only function when the A-
RANGE-MODE feature for the left beam is set to 2ND or 3RD
To activate the Hard bottom Alarm press...
MENU --> MENU --> --> or .
MENU 3
Menu 3 controls items such as the display color, zoom, and the
temperature alarm. The settings on this menu affect all Modes.
BACK-GRD
This setting changes the color of the display’s background. Choose
a background color based on personal preference and visibility.
There are four choices; White, Light Blue, Black, and Dark Blue.
To change the background color press...
MENU --> MENU --> MENU --> or .
COLOR
The color setting allows you to change the color scheme for the 16
display colors. Each color represents a different strength return
signal. Choose a color scheme based on personal preference and
visibility. There are six choices.
To change the background color press...
MENU --> MENU --> MENU -->
then or .
ZOOM
Zoom magnifies the specified area of the right beam. It is useful
for detecting targets that are very close to the bottom or that are
very close together in deeper water. There are two forms of zoom;
Auto maintains a zoomed view of the bottom, and Manual main-
tains a zoomed view of an area you specify. The zoomed beam
is determined by the right beam. The left beam will no longer be
visible when zoom is activated.
To active the zoom mode press...
MENU --> MENU --> MENU --> -->
then or .
