Simrad SL 30, Manual

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SL 30/35 Hull Sonar Operators Manual 974-25007001/2.0
Menu and Software Description Page 4.53
Kongsberg Simrad Mesotech Ltd.
Port Coquitlam, BC - Canada
the vessel.
Horizontal/Vert Fan Provides a 180 degree Horizontal Sector main display with a Vertical
Fan display in a second window. This allows the operator to observe
the history of fish movement and distribution in real time. The
Vertical Fan provides the range, depth, and heading of the fish
echoes.
Horiz with History Provides a 180 degree Horizontal Sector main display with the history
displayed in a second window. This allows the operator th observe
the history of fish movement and distribution equivalent to about four
full 360 degree scans. It is also useful for detecting bottom fish and
reefs.
The Scan Speed box allows you to choose the scanning speed for the head. The slower
scan speeds will generate the nicest looking images.
The Pause Head button will make the head stop scanning and pinging.
The Sector controls allow you to adjust the Heading of the area to be scanned as well as the
Width of the sector. Use the slider controls or the increase-decrease buttons for either
adjustment. The area to be scanned is shown graphically above these controls.
Tilt controls allow you to control the tilt angle of the transducer up or down. The Auto Tilt
Step option enables the automatic stepping of the tilt axis at the end of each azimuth sector
sweep. As an example, if this option is enabled, after the azimuth axis has stepped through its
complete sector width, the tilt axis is stepped by as much as its
Step size , and the azimuth
starts to sweep back its sector width in the reverse direction. Max and Min slider bars control
the sector limits of the tilt axis. These limits are equivalent to sector width and heading and
determine the sweep sector of the tilt.
Stabilization control enables the automatic tilt angle adjustment with the overall Pitch and
Roll angle of the head. If the head is equipped with pitch and roll sensors, then prior to each
acoustic ping the head reads its pitch and roll angle, calculates the offsets required to
maintain the transducer at its desired angle and changes the tilt angle to compensate.
4.59.6.2 Head Settings: Transmit
The Head Settings: Transmit page is used to determine how the head transmits and
receives.