Sonic KCS-3500, Руководство по эксплуатации

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5-12
5.3.3. NET SET
This function is to display a ring mark according to the fish school echo before a net is
cast. This ring mark can also be used to display a predicted circular of the cast net, and
to determine the size of the fish school echo.
The size of the ring mark can be changed in the net length setting in the menu.
To enable this function, it is necessary to enter the ship speed and direction information.
< Operation Method 1 > (When this function is used after it is registered in the
two-touch key of the operation section)
(a) Register the “NET SET” in any preset keys of to .
(The Setting details are described in “5. 2. 1.”)
(b)
Place the cross cursor over any position to display the ring mark, and press the
preset key in which the “NET SET” is registered. The ring mark then appears on
the screen.
(c) To erase the ring mark, press the preset key again in which the “NET SET” is
registered.
(Note)
This operation is enabled only while the red LED on the registered preset key
is turned OFF. If this operation is not possible, press the preset key again.
< Operation Method 2 > (When this function is used after it is registered in the
sub area on the sonar screen)
(a) Register the “NET SET” in the sub area on the sonar screen.
(b)
Place the cross cursor over the frame, and press the key of the operation
section. (The color of the frame turns gray to enable the cast operation.)
(c) Press the key at the same time a net is cast. A red flag mark then appears
at the location of the ship.
(d) The red flag is set and reset repeatedly each time the key is pressed.
(e) To cancel the “NET SET” mode, place the cross cursor over the frame of the
“Cast” preset key, and press the
key. (The gray color of the frame
disappears to cancel the mode.)