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3.11.2
Alarm Level
The alarm level sets the minimum echo strength at which the fish alarm
is activated. The echo strength is displayed in color, as shown on-
screen.
1. Open the menu.
2. Select [0 Mark & Operation Support Tool], then left-click.
3. Select [9 Alarm & Audio], then left-click.
4. Select [2 Fish Alarm Level], then left-click.
5. Select the desired echo strength, then left-click.
6. Select [Quit], then left-click.
7. Close the menu.
3.12
Menu Items Descriptions
This section presents menu items for the vertical slant mode which have been not
mentioned previously.
3.12.1
Display Setting menu
[2 Signal Level]: Contaminated water or reflections from plankton may be painted on
the screen in green or light-blue. These echoes may be erased in order of strength.
The setting range is [0] to [31]; [0] corresponds to the weakest color.
3. VERTICAL SLANT MODE
3-17
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