476671/B
259
Inserting the installation parameters
Topics
Correct installation parameters are crucial for sonar operation, page 259
Inserting the ship origin and dimensions, page 260
Inserting the installation parameters for the transducer, page 263
Inserting the installation parameters for the motion reference unit (MRU), page 266
Adjusting the built-in motion sensor offset, page 269
Adjusting the stabilization offsets for the external motion sensor, page 272
Correct installation parameters are crucial for sonar operation
The quality and accuracy of the MF90 presentations depend on the hull unit being correctly
installed, and that all necessary parameters related to this installation have been entered
into the software
Ship origin / Ship dimensions
When you have several different sensors and transducers on your vessel, and you
wish each of them to provide accurate data, you need to know their relative physical
positions. To do this, you must establish one or more common reference points. This
reference point is also used to position the sonar echoes relative to the ship symbol on
the display presentation.
Use the
Ship
page to define a specific reference point (
Ship Origin
or
origo
) for the
various sensors connected to the MF90 system. Do this as accurately as possible. This
information is used to create a new origin in the vessel coordinate system.
Transducer
When the installation trunk is mounted, it may not be positioned with the mounting
holes perfectly aligned to the centre line of the vessel. When the hull unit is placed on
the trunk, the "forward" mark on the transducer shaft sleeve - and thus also "forward"
on the transducer - may not point forward at all, but several degrees off the centre
line. To obtain accurate echo presentations, this misalignment must be adjusted by
changing the installation parameters.
Содержание Simrad MF90
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