The ACTion subsystem is available in interpolated modes. It offers the following
functionality:
Definition of actions (commands) that can afterwards be referenced from
sequence table entries.
Basic commands can be grouped together to form more complex "composite
commands" or "action sequence".
These “composite commands” form the “action table”.
There are no restrictions regarding changes to the action table while the
corresponding channel is idle, i.e. not armed and not generating a waveform.
As soon as the channel leaves the idle state, some restrictions apply:
Only changes are allowed, which do not change the size of an action sequence
or the action table. That is, only the [:SOURce]:ACTion[1|2]:APPend command
can be used, but only to replace a previously appended value (like carrier
frequency) or to replace e.g. a previously appended “sweep run” with “sweep
hold”.
The action sequence must not be in use while it is being changed.
After stopping waveform generation, the restrictions do not apply any more.
This query defines a new empty action sequence and returns an <action-sequence-
index>. Steps can then be added to the sequence using the
[:SOURce]:ACTion[1|2]:APPend command. If the action table is full, an error is
returned.
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