Kongsberg Simrad SN90 Reference Manual page 19

Purse seine and trawling sonar

Hide thumbs Also See for Simrad SN90:

Table of Contents

If you turn off the SN90 system by means of the on/off switch on the Processor Unit you

can damage the software and the interface settings used to communicate with external

Manual operation of the hull unit

A hull unit may be provided as an option. It allows you to lower and hoist the transducer.

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.

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. Avoid impacts.

• Do not expose the transducer to direct sunlight or excessive heat.

• Do not use high-pressure water, sandblasting, metal tools or strong solvents to clean

the transducer.

• Do not damage the outer protective skin of the transducer.

• Do not step on the transducer cables.

• Do not damage the transducer cables. Avoid exposure to sharp objects.

Chapters

Table of Contents