Kongsberg Simrad SU90 Operator's Manual page 187

Speed
8
7
6
5
4
3
2
1
Sea state:
Water depth:
Use this table to record the values. Print it out and make multiple copies. Alternatively, you can type
the values straight into a spreadsheet.
Related topics
Testing the noise conditions and the sonar functionality, page 172
381291/D
Speed/Frequency/Noise
Frequency
Maintenance procedures
Noise level
185