Controlling Radios and Rotators
range. If tracking is enabled while the target satellite is out of range, the
rotator controller widgets will be set to the position where the target
satellite is expected to appear at the next AOS.
The
Cycle
and
Tolerance
parameters can be changed at any time
regardless of whether the rotator device is engaged or not. Similarly, you
can at any time select a new target even when your rotator device is
engaged.
An overview of the operating modes of the antenna rotator controller
algorithm is given in Table 7.3 below.
Track
Engage
Description
OFF
OFF
Controller widgets are not updated with respect to target
position. No commands are sent to the rotator and the
current rotator position is not read back either.
ON
OFF
Controller widgets are updated with target position but
no commands are sent to the rotator. Current rotator
position is not read back either.
If the target satellite is out of range the controller
widgets will be set to the position where the satellite is
expected to appear at the next AOS.
ON
ON
Controller widgets are updated with target position and
the position is sent to the rotator. The current position is
read back from the rotator device.
If the target satellite is out of range the controller
widgets will be set to the position where the satellite is
expected to appear at the next AOS.
OFF
ON
Controller widgets are not updated with target position
but commands are sent to the rotator and current
position is read back. This mode can be used to manually
control your rotator.
Table 7.3: Operating modes of the rotator controller.
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