Beam Mode: Reference Beam Page
The parameters in the Reference Beams page allows you to enables and controls the two reference beams.
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Description
The ME70 may use none, one or two active reference beams. These are identified as A and B.
If one of the frequency parameters in this dialog box is positioned inside the frequency band selected on Frequency Band page, the frequency parameter may be overridden by the system. The pulse length and pulse form parameters for the reference beams are controlled with the beams in the fan using the Frequency Band page.
Details
Activate
Click to activate or deactivate the reference beam.
Frequency
Select the centre frequency to be used by the reference beam.
Athwart Beam Opening Angle
Select requested beam opening in Y direction (vertical). Click Apply, and the system will respond with the beam opening obtained.
Along Beam Opening Angle
Select requested beam opening in X direction (vertical). Click Apply, and the system will respond with the beam opening obtained.
Athwart Steering Angle
Select requested beam steering in Y direction.
Along Steering Angle
Select requested beam steering in X-direction.
Transmit Reference Beams in separate groups
When you select this option, the reference beams will be placed in separate transmission groups and given an increase in source level, dependent on the group size selection. By doing this the total blind zone, due to transmission, will increase by up to two pulse durations.