Kongsberg Simrad SN90, Руководство по установке

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• Do not expose the transducer to direct sunlight or excessive heat.
• Do not use high pressure water, sand blasting, metal tools or strong solvents to clean
the transducer face.
• Do not damage the outer protective skin on the transducer face.
• Do not lift the transducer by the cables.
•
Do not
step on the transducer cables.
• Do not damage the transducer cables, avoid sharp objects.
Related topics
Support information, page 36
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. Even though the sonar is basically designed for pelagic
fishing, but it has also been put to use for navigational purposes.
Using Simrad 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.
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 large frequency bandwidth makes the SN90 ideal for species like pollock, cod
and saith.
A forward looking SN90 is a very efficient tool for trawlers during the search phase.
Since the transducer is placed in the vessel’s bow, the SN90 will not suffer from the
acoustic noise generated by the hull, machinery and propellers.
The physical installation angle of the transducer must be determined based on the depth
in the vessel’s normal fishing waters. Even with a fixed installation angle, the SN90 will
serve well in other waters too due to the swath and tilt functionality.
SN90