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Simrad FM90 System diagram

The system diagram identifies the main components of a basic FM90 system, as well as the connections between the units. Interface capabilities and power cables are not shown. The display is not a standard part of the FM90 delivery. This is a commercial item that can be purchased locally.

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A: Processor Unit

B: Ethernet cable

C: Power/VDSL Unit

D: Third-wire or Test cable

E: Trawl Unit

F: Aft-looking Catch Hydrophone

G: (Optional) Forward-looking PI Hydrophone

H: 40 kHz PI/PX Sensors