I believe that I did what you had advised.

What I had neglected to tell you previously was that roughly the 1st minute of the video is the correct orientation, then the remaining
4:30 minutes are displayed incorrectly. I executed the rotation command briefly after the 1st minute, an action that corrected the
orientation of the subsequent 4:30 minutes. However, though the last 4:30 minutes are displayed in the correct orientation, the 1st minute is not.

Is there any way to restrict the rotation command to just specified minutes of the video? Or does the rotation command apply to the entire video?

Please advise when able.

Robert Feke