Installation manual

Simrad SH80
116
851--164300 / C
9.11 Alignment of the sonar picture
Independent of the hull unit orientation, the alignment is always
defined as:
• the angle measured clockwise from the bow to the 0 degrees
transducer mark.
The 0 degrees transducer mark is always related to the gantry, as
shown on the figure below.
Bow
(
C
D
5
8
9
4
B
)
Alignment
angle
0 transducer
mark
o
Figure 39 Definition
of the alignment angle
Observe the following procedure to align the sonar picture.
1 Estimate the approximate alignment angle (0 to 360 degrees)
clockwise from the bow to the 0 degrees transducer mark.
- The 30 degrees angle between each mounting bolt can be
used as an aid.
2 Turn the echo picture on the display in the following way:
a Select the Setup menu.
b Press the Test... to bring up the System test menu.
c Press the Installation Menu button, and observe the
menu appears on the top of the display.
d Select Installation on the Installation menu,andthen
Alignment.
e Observe the Sonar transceiver configuration menu
appear at the bottom of the menu field.
f Check that the Offset is 0 degrees. If it is not, adjust to 0
degrees.