Kongsberg Simrad SN90 Reference Manual page 223

Purse seine and trawling sonar
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Illustration:
Rotation around the
A
x-axis: In the positive
horizontal direction
(forward), a positive
rotation is clockwise.
Rotation around the
B
y-axis: In the positive
horizontal direction
(starboard), a positive
rotation is clockwise.
Rotation around the z-axis: In the positive vertical direction (down), a positive
C
rotation is clockwise.
Reference point (Ship Origin)
D
Procedure
1
Open the
Setup
2
On the
menu, select
Setup
Observe that the
of pages selected from the menu on the left side.
3
On the left side of the
Installation Parameters
Observe that a menu opens with access to all the individual pages.
4
Select
Transducer
5
Insert the relevant offset values.
a
: Insert the horizontal distance on the x-axis (fore-and-aft direction)
X Offset
between the transducer and the Ship Origin.
b
: Insert the horizontal distance on the y-axis (athwartship direction)
Y Offset
between the transducer and the Ship Origin.
c
: Insert the vertical distance on the Z axis between the transducer
Z Offset
and the Ship Origin.
6
Without hull unit: Obtain the rotation (angle) information from the personnel that
installed the transducer.
Insert the values. Do this as accurately as possible.
7
With hull unit: Obtain the rotation (angle) information from the personnel that
installed the hull unit.
Insert the values. Do this as accurately as possible.
381294/E
menu.
Installation
dialog box opens. This dialog box contains a number
Installation
dialog box, select the small white triangle next to
Installation
.
to open the page.
.
Maintenance procedures
221

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