Kongsberg Simrad ST90, Reference Manual

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Introduction to technical specifications
These technical specifications summarize the main functional and operational characteristics
of the ST90 Fish-finding sonar. They also provide information related to power
requirements, physical properties and environmental conditions.
Note
At Kongsberg Maritime, we are continuously working to improve the quality and
performance of our products. The technical specifications may be changed without prior
notice.
Performance specifications
These performance specifications summarize the main functional and operational
characteristics of the ST90 system.
Operating frequency
•
Start frequency
: 14 kHz
•
End frequency
: 24 kHz
•
Frequency steps
: 1 kHz
Operational range
• Minimum: 25 metres
• Maximum: 2000 metres
• Extended range: 000 metres
Even though you can choose a large range value, that does not mean that you can detect your
targets on the same range. The range value only defines the range that is shown in the views.
Actual target detection will always depend on the operational environment, such as water
temperature, salinity, interference and layers in the water column.
Tilt function
•
Horizontal views
: –10 to +60 degrees
•
Vertical views
: 0 to +90 degrees
•
Plane view
: –10 to +90 degrees
•
Inspection view:
–10 to +60 degrees
Simrad ST90 Reference Manual