Kongsberg Simrad SN90 Reference Manual page 429

Purse seine and trawling sonar
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• In a Horizontal view, select the bearing line and drag it sideways.
• Use the Operating Panel.
• Select either side of the button to choose a value.
• Select the middle of the button to open it. If you have a keyboard connected to
the SN90 system, type the requested value.
Auto
This is an "on/off" function. Set this
function to On to start the automatic search
function. In the Auto Bearing mode the
SN90 system will automatically search
within defined sector limits. The sector is
identified in the view using two angular
symbols.
Illustration:
Search sector
A
Bearing line
B
Select
to set the size (in degrees) of
Step
each bearing step.
Select
to set the size (in degrees) of
Sector
the horizontal search sector.
Tip
This function can be assigned to the F1, F2
or F3 button on the Mk2 Operating Panel.
Step
Select
to set the size of each tilt step (in degrees) in Auto Bearing mode.
Step
Select either side of the button to choose a value. Select the middle of the button to
open it. If you have a keyboard connected to the SN90 system, type the requested
value.
Sector
Select
to set the size (in degrees) of the horizontal search sector in Auto
Sector
Bearing mode.
Select either side of the button to choose a value. Select the middle of the button to
open it. If you have a keyboard connected to the SN90 system, type the requested
value.
Link Inspection Beams
This is an "on/off" switch. Activate
inspection beams together. Select
381294/E
Functions and dialog boxes
Link Inspection Beams
use the chosen setting in all the
Apply to all
to "connect" all the
427

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