3.Drag the Jog Bar to the point in the clip that you want to set as the start/end of
the clip then click 
(Mark-in/Mark-out).
Trimming a Video into Multiple Clips
1.Click
2.In the 
to determine how you want to mark segments. If you want to mark segments to retain, click Selection Mode then select Retain selection.
Otherwise, select Delete selection if you prefer to mark segments that you want taken out from the clip.
3.Drag the Jog Bar until you locate the point in the video that you want to use as the beginning frame of the first segment. Click 
(Start).
Drag the Jog Bar again, this time, to the point where you want the segment to
end. Click 
(End).
4.Repeat step 3 as required until you have marked all the segments you want kept or removed.
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