Installation manual

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 Te st Co nf ig button, and observe the Te s t C o nf ig
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 r eadouts for the six different bearings.
7 Repeat the procedure with the different speeds and bearings
shown in t he table.