Simrad SP90 Low Frequency Long Range Fishery Sonar Operator Manual

About this manual

The document serves as a comprehensive guide for operating the Simrad SP90, a long-range omnidirectional low-frequency sonar designed primarily for medium and large fishing vessels. It details the system description, including wheelhouse and sonar room units, and explains various display modes such as Bow Up, North Up, and True Motion.

The manual provides detailed instructions on using the Sonar Operating Panel to control gain, range, cursor, tilt, and other parameters via a menu-based interface running on Windows XP. It also includes specific procedures for maintenance tasks like cleaning the transducer, lubricating hoist mechanisms, and replacing fuses.

What's inside

• System description
• Display modes
• Sonar Operating Panel
• Operation
• Menu descriptions
• Parameters
• On-board maintenance
• Cleaning the transducer
• Lubrication
• Troubleshooting

Specifications

Frequently asked questions

Can the sonar be powered up when the ship is in dry dock?

No, the sonar must never be powered up when the ship is in dry dock to prevent damage to the transducer.

What type of grease should be used for the ball bearing on the hoist screw?

Normal ball bearing grease should be used for the ball bearing on each end of the hoist/lower screw.