Installation manual

Parameters

Fish Alarm

The Fish Alarm parameter dialogue opens when you click the

Fish Alarm button on the Setup menu.

This is an on/off switch used to activate or deactivate the ﬁsh

alarm function.

Options

Start range: Click to select the inner radius of the circular alarm

sector. The start range can be between 0 and 7900 meters.

End range: Click to select the outer radius of the circular alarm

sector. The end range can be between 100 and 8000 meters.

Width: Click to select the width of the alarm sector. The sector

width can be set between 10 and 360 degrees.

Alarm Threshold: Click to select the echo level for which the

alarm shall be activated. The chosen echo level is shown with

the white pointer in the echo colour bar just below the

Alarm

Threshold

button.

Close: Click to close the parameter dialogue.

Help: Click to access the on-line help.

Figure 26 Fish alarm properties

(A) Start range

(B) End range

(CD015005I)