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2.15
Fish Alarm
The fish alarm sounds the buzzer when a fish echo above a preset strength enters the
operator-set alarm zone.
2.15.1
How to activate/deactivate the fish alarm
1. Open the menu.
2. Select [0 Mark & Operation Support Tool], then left-click.
3. Select [9 Alarm & Audio], then left-click.
4. Select [1 Fish Alarm], then left-click.
5. Select [ON], then left-click.
6. Select [Quit], then left-click.
7. Select [3 Alarm Zone], then left-click.
8. Place the cursor on the starting point of the alarm zone, then left-click.
9. Select the ending point, then left-click. The display paints a fan-shaped alarm
zone. The alarm range appears on the display as shown below.
10. Push the left-click button.
11. Close the menu.
When a fish echo enters the alarm area the buzzer sounds.
Note 1: There must be at least three degrees difference between the starting and end-
ing points to get a fan-shaped alarm zone as shown in (a) and (b) below. Otherwise,
the unit paints a 360-degree alarm zone as in (c) where there is less than 3 degrees
between the starting and ending points.
Note 2: To disable the alarm, select [OFF] at step 5.
<< Alarm Zone >>
Move trackball cursor to origin of
alarm zone and left click.
Press [R/B] key or right click to cancel.
<< Alarm Zone >>
Move cursor to the end of alarm
range and left click.
Press [R/B] key or right click to cancel.
Fish alarm range
More than 3°
(a)
(b)
2. SLANT MODE
Within 3°
(c)
2-27
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