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Simrad SN90
When you are docking your vessel
You must never set the SN90 to normal operation when the ship is in dry dock. The
transducer may be damaged if it transmits in open air. To prevent inadvertent use of the
SN90, pull out the mains plug on the Processor Unit whenever your vessel is in dry dock.
Additional precautionary measurers should be considered.
If something breaks down
If you believe that something has broken down, contact your local dealer. A list of all
our dealers is provided on our website.
•
https://www.simrad.com
If you are unable to contact a dealer, observe the support information in this publication.
When you want to turn off the SN90
You must never turn off the SN90 by means of the on/off switch on the Processor Unit.
When you do not use the SN90, turn it off with the
button on the Operating Panel.
Power
If the transducer is lowered when you turn off the SN90, it is automatically retracted to
its upper position.
Note
If you turn off the SN90 by means of the on/off switch on the Processor Unit you may
damage the software and the interface settings used to communicate with external
devices.
Manual operation of the hull unit
In the event of improper operation, the powerful electric motor on the hull unit may
cause serious damage to the equipment and/or injury to personnel. Therefore, before you
start manual operation, read carefully through the relevant operating procedures.
Note
You must familiarize yourself with the correct handling methods and the relevant safety
requirements.
Rules for transducer handling
A transducer must always be handled as a delicate instrument. Incorrect actions may
damage the transducer beyond repair. A physical blow to the transducer face may easily
damage one or more elements. Observe these transducer handling rules:
• Do not activate the transducer when it is out of the water.
• Do not handle the transducer roughly and avoid impacts.
• Do not expose the transducer to direct sunlight or excessive heat.
• Do not damage the outer protective skin of the transducer.
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