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4. VIDEO SOUNDER OPERATION

4-22

4.12.4 Fish alarm (B/L)

The bottom-lock fish alarm sounds when a fish echo is within a predetermined

distance from the bottom. Note that the sensitivity of the fish alarm can be set on

the SOUNDER SYSTEM SETUP menu.

1. Press the [ALARM] key to show the ALARM menu.

2. Use the trackball

to select FISH ALARM (B/L).

3. Press the EDIT soft key to show the fish alarm (B/L) window.

FISH ALARM (B/L)

▲

0000.0-0000.0 ft

OFF

▼

Fish alarm (B/L) window

4. Use the trackball

to select ON or OFF as appropriate. For ON, use the

trackball and numeric keys to enter range: Adjust the trackball to select digit;

hit appropriate numeric key to enter value.

5. Press the ENTER soft key or push the [ENTER] knob to register setting.

6. Press the [ALARM] key to close the menu.

Furuno 1823C User Manual

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