A hull unit may be provided as an option. It allows you to lower and hoist the transducer.
The location of the SN90 installation trunk must be noted on the vessel’s docking plan for future reference.
Make sure that ample clearance under the SN90 installation trunk and/or blister is provided when you are placing the vessel in dry dock. Avoid locating supporting blocks or structures in the vicinity of the SN90 installation trunk.
ImportantPrior to dry docking, turn off the SN90 system. If necessary, disengage the circuit breaker. Label the Processor Unit and/or the circuit breaker clearly to prevent anyone from accidentally turning on the SN90 system.