How To Activate Or Deactivate An Alarm; Alarm Sensitivity - Furuno NavNet TZtouch3 Series Operator's Manual

7. FISH FINDER (SOUNDER)
7.13.2

How to activate or deactivate an alarm

Fish alarm
1. Open the Home screen, then tap [Settings]→[Fish Finder].
2. Turn [Fish Alarm] on or off.
3. Tap the close button on the title bar to finish.
The fish alarm can also be activated or deactivated with [Fish Alarm] on the pop-up
menu.
Bottom lock fish alarm
1. Open the Home screen, then tap [Settings]→[Fish Finder].
2. Turn [Fish Alarm for Bottom Lock] on or off.
3. Tap the close button on the title bar to finish.
Open the Home screen, then tap [Settings]→[Fish Finder]. Turn [Fish Alarm for Bot-
tom Lock] on or off.
7.13.3

Alarm sensitivity

You can select the echo strength that releases the fish alarms.
1. Open the Home screen, then tap [Settings]→[Fish Finder].
2. Tap [Fish Alarm Level].
3. Tap which echo strength releases the fish and bottom lock alarms. Low releases
the alarm against weak-to-strong echoes.
4. Tap the close button on the title bar to finish.
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