Summary of initial start-up
Once the visual inspections have been finalized and the hull unit has been started, you can turn on the entire SU90 system for the first time.
Prerequisites
Before you can set the SU90 system to work, the following prerequisites must be met:
•  The system units have all been installed according to the instructions provided.
•  All system cables are connected.
•  All cable connections are made.
•  Correct operating power is available.
•  All peripheral devices that shall communicate with the SU90 system are available and operational.
•  All relevant personnel and tools are available.
Context
Some of these tasks may be done while the vessel is in dry dock. However, we assume that the vessel is set afloat before you do these tasks.
Note
You must never turn on the SU90 system when the ship is in dry dock. The transducer may be damaged if it transmits in open air. It is therefore very important that the SU90 system remains turned off when the vessel is in dry dock, and that no one tries to use it.
Procedure
1 Make sure that necessary mains power (AC and/or DC) is available and correct.
2 Make sure that the transducer cannot be accidentally lowered.
3 Connect the transducer cables.
4 Finalize the cable connections.
5 Install the operating software.
6 Select which type of hull unit that has been installed.
7 Select how far down the transducer shall travel when you select Middle position.
Note
The Mk3 Operating Panel does not support a middle position for the transducer.
8 Start the entire SU90 system.