Simrad SN90 Purse seine and trawling sonar

System diagram

The Simrad SN90 sonar system comprises a processor unit (computer), a transceiver unit, a power supply and the transducer.

Simrad SN90

A colour display is also required. This display is normally not a part of the sonar delivery.

The cable between the wheelhouse units and the transceiver in sonar room must be a high quality Ethernet cable. It can be purchased locally, or ordered from Simrad.

  1. Processor Unit
  2. Display
  3. Operating Panel
  4. Power supply for Operating Panel
  5. Transceiver Unit
  6. Transducer

When used as a trawling sonar, the transducer may be placed on a hull unit. That allows you to retract the transducer for protection when the SN90 is not used.

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