Basic Information; Main Units - Simrad SX90 - REFERENCE MANUAL REV D Reference Manual

Basic information

Main units

307670/D
The Simrad SX90 Fish finding sonar is a long range
omnidirectional low frequency sonar. It is designed for medium
and large sized fishing vessels, preferably for purse seiners, but it
is also well suitable for trawlers. The sonar allows you to choose
an operational frequency between 20 to 30 kHz (in 1 kHz steps),
and the beam can be electronically tilted from +10 to –60 degrees.
Great emphasis has been placed on giving the best possible
presentations on a high resolution colour display. The Processor
Unit is controlled by Microsoft's Windows XP® operating
system, which result in a flexible choice of display modes for a
large range of user applications.
The signal processing and beamforming is performed in a fast
digital signal processing system using the full dynamic range
of the signals. In addition to the traditional single frequency
transceiver system, the Simrad SX90 Fish finding sonar contains
an advanced frequency modulated filter system (FM).
The cylindrical multi-element transducer allows the
omnidirectional sonar beam to be tilted electronically down to
-60 degrees. This allows you to automatically track schools of
fish, and to observe the whole water volume around the vessel.
A stabilising system is included for electronic pitch and roll
compensation.
The Simrad SX90 Fish finding sonar consists of the following
units:
• Normally installed in the wheelhouse:
– Display monitor
– Operating Panel
– Processor Unit
– Beamformer Unit
– Interface Unit
– Amplifier and loudspeakers (option)
• Normally installed in the sonar room:
– Transceiver Unit
– Hull Unit
Simrad SX90 Fish finding sonar
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