Simrad SU90
Fish-finding sonar
Operator Manual
Release 3.1.4


The purpose of this manual is to provide the descriptions and procedures required to allow for efficient use of the SU90 system. This manual is intended for all regular users of the SU90 system. Due to the nature of the descriptions and the level of detail provided by this manual, it is well suited for those who use the SU90 system on a daily basis, and have access to expert users for advice.
Caution
You must never permit the SU90 system to transmit (ping) when the ship is in dry dock. The transducers may be damaged if they transmit in open air.
Additional end-user documents related to the SU90 system can be found on our website. This includes publications that are translated to other languages. Selected publications are also provided on IETM (Interactive Electronic Technical Manual) formats.
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