Furuno tztl15f Manual De Usuario

7.  FISH FINDER (SOUNDER)

1. Open the home screen, then tap [Settings] - [Sounder].
2. Turn [Fish Alarm] on or off.
The fish alarm can also be activated or deactivated with [Fish Alarm] on the pop-up 
menu.

Open the home screen, then tap [Settings] - [Sounder]. Turn [Fish Alarm for Bottom 
Lock] on or off.

You can select the echo strength that releases the fish alarms.

1. Open the home screen, then tap [Settings] - [Sounder].
2. Tap [Fish Alarm Level].

3. Tap which echo strength releases the fish and bottom lock alarms.

[Low]: Light-blue or stronger echoes
[Medium]: Yellow or stronger echoes
[High]: Red and reddish-brown echoes

4. Tap the close button to finish.

The ACCU-FISH

™

 feature, which requires an ACCU-FISH

™

 capable transducer or 

Bottom Discrimination Sounder BBDS1 or Network Fish Finder DFF1-UHD, identifies 
probable bottom composition estimates the length of each fish and shows a fish sym-
bol and depth value or fish length. 

•  The information given by this feature is intended for reference only.

• ACCU-FISH

™

 uses both low and high frequency echoes for the measurements re-

gardless of the frequency mode in use.

•  The intensity of an echo depends on fish species. If the indicated length is different 

from the true length, you can apply an offset in the [Sounder] - [ACCU-FISH Size 
Correction] menu of the menu.

•  50 kHz and 200 kHz beams are transmitted alternately without reference to the cur-

rent display mode.