Questions in regards to Signal Descriptor Replacement

Hi all,

I got questions in regards to Signal Descriptor Replacement.

According to the protocol:
Any signals applied to the termination not in the replacement descriptor
shall be stopped, and new signals are applied, except as follows. Signals
present in the replacement descriptor and containing the KeepActive flag
shall be continued if they are currently playing and have not already
completed. If a replacement Signals Descriptor contains a signal that is
not currently playing and contains the KeepActive flag, that signal shall
be ignored. If the replacement descriptor contains a sequential signal list
with the same identifier as the existing descriptor, then

   •      the signal type and sequence of signals in the sequential signal
          list in the replacement descriptor shall be ignored; and

   •      the playing of the signals in the sequential signal list in the
          existing descriptor shall not be interrupted.


My questions are
1. "Do we have KeepActive Flag in signal list level?"
2. "If the replacement descriptor contains a different sequential signal
list from the existing descripment, are we supposed to stop the existing
sequential signal list and play the replacement sequential signal list?"
3. "Should we consider KeepActive Flag in any signals in a sequential
signal list in the existing descriptor?"


Thx


Candice

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