Identify Pella Awning Window for correct Operator

A quick learner from USA says:
I'm sending several photos of this Pella Awning Window, it was made in the 1990's.
I'm in search of the correct " Operator " for this window.
There is no visible serial number to be found.
I truly hope that you can help me out with replacing the needed part.
User submitted photos of a window operator.
Profile picture of Mike
Mike from SWISCO responded:
Thank you for posting. We recommend you take a look at our 39-097 and 39-096 and see if that is suitable for your needs.
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