Installation Manual Simrad SN90 Purse Seine and Trawl sonar TECHNOLOGY FOR SUSTAINABLE FISHERIES

Simrad SN90 Purse Seine and Trawling Sonar Installation Manual The purpose of this manual is to provide the information, procedures and basic drawings required for the physical installation of the Simrad SN90. The manual is intended for technical personnel; such as skilled shipyard workers, electricians, qualified engineers and naval architects. For information about the practical use of the SN90, refer to the SN90 Reference Manual and/or the SN90 Operator Manual. You can also find information in the SN90 Context Sensitive On-line Help. Caution As a safety precaution, you must never power up...

• Document: Installation Manual • Document part number: 381298 The information contained in this document remains the sole property of Kongsberg Maritime AS. No part of this document may be copied or reproduced in any form or by any means, and the information contained within it is not to be communicated to a third party, without the prior written consent of Kongsberg Maritime AS. The equipment to which this manual applies must only be used for the purpose for which it was designed. Improper use or maintenance may cause damage to the equipment and/or injury to personnel. You must be familiar...

Installation Manual

Installation Manual

Installation Manual

Installation Manual

Installation Manual

About this manual About this manual The purpose of this manual is to present the descriptions and drawings required to install the Simrad SN90 Purse Seine and Trawling Sonar. Target audience The manual is intended for technical personnel; such as skilled shipyard workers, electricians, qualified engineers and naval architects. It is assumed that you understand the general principles of maritime electronic equipment. You must also be familiar with computer hardware, interface technology and installation of electronic and mechanical products. Installation instructions The instructions provided...

Simrad SN90 Installation Manual If required, all documents provided by the shipyard for the physical installation of the SN90 must be approved by the vessel’s national registry and corresponding maritime authority and/or classification society. Such approval must be obtained before the installation can begin. The shipowner and shipyard doing the installation are responsible for obtaining and paying for such approval. The outline dimensions of the SN90 units are found in the Drawing file chapter in this manual. The source drawings (normally in AutoCad format) can be downloaded from our website....

Important, page 16 System description, page 18 Key features, page 21 System diagram, page 23 System units, page 24 Scope of supply, page 32 General safety rules, page 42 Installation requirements, page 43 Network security, page 45 Support information, page 46

Simrad SN90 Installation Manual Important The SN90 is an advanced product. As with most other advanced instruments, there are a few important things that you must know. Before you turn on the SN90 Before you power up the SN90, make sure that you have sufficient water depth to lower the transducer! Caution You must never power up the SN90 when the ship is in dry dock The transducer may be damaged if it transmits in open air. When the SN90 is not used When you do not use the SN90, turn off the entire system. Note You must NEVER switch off the SN90 by means of the on/off switch on the Processor...

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 the manual operation, read carefully through the relevant operational 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 item. Wrongful actions may damage the transducer beyond repair. Observe these transducer handling rules: • Do not activate the transducer when it is out of...

Simrad SN90 Installation Manual System description The Simrad SN90 is a directional high frequency fish finding sonar. Due to the high resolution and long range, the SN90 has proven to be a very efficient tool for both trawlers and purse seiners. Topics Using SN90 on purse seiners, page 19 Using SN90 on trawlers, page 20 Specifications and functionality, page 20

Using SN90 on purse seiners For purse seine applications, the transducer is mounted on the port or starboard side of the hull, facing the seine. A Plane beams (Horizontal beams) Vertical beams Inspection beam(s) The transducer’s protected position prevents damage from the purse wire, and still gives you full control while setting and retrieving the net. The SN90 allows you to run alongside a school of fish and observe, and you can analyse the school without passing over it. This is like using a horizontal mounted echo sounder, but with a lot more accuracy, and with dedicated software and presentation...

Simrad SN90 Installation Manual Using SN90 on trawlers Trawlers have for many years relied on high resolution echo sounders - such as the Simrad ES70 - to find and estimate their catch. The disadvantage with echo sounders is the fact that they look straight down. A Plane beams (Horizontal beams) Vertical beams Inspection beam(s) The SN90 offers the high resolution of an echo sounder, but also a large horizontal range that allows you to find fish - even close to the bottom - from a distance of several hundred meters. The high frequency bandwidth makes the SN90 ideal for species like pollock, cod...

typically 6x6° can be used for a more detailed study of a school, such as observing fish behaviour, target strength and biomass. The absence of a hull unit allows for easier and less space demanding installation, and the transducer is either mounted flush with the hull plating, or in a streamlined blister. The transducer installation removes the chance to get tangled up or damaged by wires, and greatly reduces the risk of being damaged by objects in the water. The SN90 can be delivered with a hull unit. Great emphasis has been placed on giving the best possible sonar presentations on a high resolution...