EVS IPDirector Version 6.2 - June 2013 IPEDIT User Manual - Manual (Page 143)

• When the transition is rolled to the left:
The 1st element is trimmed, i.e. its OUT point is shifted to the left.
The 2nd element is extended, i.e. its IN point is shifted to the left.
The Insert/Overwrite mode does not influence trim left and right.
Example: Shift to the left
Before the trim action
During the trim action
After the trim action
IPDirector - Version 6.2 - User Manual - IPEdit
6. Timeline 131