Simrad SP60
146
851-164574 / C
11.4 Noise/speed curve
Preparations
In order to make a noise/speed curve for the ship, make the
following settings in the SP60 menu.
1
Select the
Setup
menu.
2
Push the
Test...
button to access the
System Test
menu.
3
Push the
Test Config
button, and observe the
Test Config
submenu appear at the bottom of the menu field.
4
Select
Noise & VR
to select the menu settings for the
receiving voltage response.
5
Push
Close
.
6
Observe that the
Echo level
button in the
System test
menu
provides a readout of the current value measured by the
sonar.
Procedure
Observe the following procedure to make the noise/speed curve.
1
Start with 0 knots with the engine running.
2
Use the two
Train
buttons (arrows) on the Operator panel to
turn the audio line to the different bearings shown in the
Noise measurements
table.
→
Refer to table 8.
3
For every new bearing, wait at least 10 seconds before you
make a readout of the new echo level.
4
Enter the results into the table.
5
Increase the speed to 2 knots.
6
Repeat the readouts for the six different bearings.
7
Repeat the procedure with the different speeds and bearings
shown in the table.
Summary of Contents for SP60 - REV D
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