Kongsberg Simrad SN90 Reference Manual page 48

Purse seine and trawling sonar
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Simrad SN90 Reference Manual
Tip
The
Fishing Gear
seine. This function is opened from the
Gear
Use the
Fishing Gear
Fishing Gear Setup
own equipment. Press
Purse seine
The gear symbol is provided as a tool to help you plan and shoot the
purse seine. The symbol is intended to be used in a structured sequence
that starts when you plan to shoot the purse seine. For use with a purse
seine, the intended process follows:
1
2
3
46
function allows you to define the size of your trawl or purse
function to define your type of fishing gear. Use the
page to change the fishing gear properties to match your
to place a gear symbol in the active view.
Gear
To start the process:
• Press
on the Operating Panel. —
Gear
• Right-click and select
This places a circle marker in the view. The size and location
of the marker is defined by the choices you have made with the
function. Until you proceed, the marker follows the
Fishing Gear
movements of the vessel by keeping its relative location to the
bow. This allows you to position your vessel in the best possible
location before you shoot the purse seine.
When you shoot the net:
• Press
on the Operating Panel. —
Gear
• Right-click and select
The first timer starts when you select
A rectangular marker is placed in the view, and marks the
position where the purse seine was shot. The circular marker is
disconnected from the vessel movements, and acts as a guideline
for your manoeuvring. The history line shows the movements
of your vessel. Since the SN90 system knows the length of
your net, it places a second marker on this line when half the
length has been spent. When the entire net has been spent, a
third rectangular marker is shown. In this phase the
function is disabled.
The first timer stops when the progress bar reads 100%. This
action starts the second timer, which stops when you select
Remove Gear Symbol
When the process is finalized:
menu.
Setup
Show Gear Symbol
Place Gear Symbol
Place Gear Symbol
.
or:
on the shortcut menu.
or:
on the shortcut menu.
.
Fishing Gear
381294/E

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