Canon EOS R50 Mirrorless Camera (White) - Manual (Page 482)

3.
Specify the part to be edited out.
Select either [ ] (cut beginning) or [ ] (cut end).
Press the < >< > keys to go back or forward one frame. Each
turn of the < > dial goes back or forward one frame.
After deciding which part to edit out, press the < > button. The
portion indicated by a line at the bottom of the screen will remain.
4.
Check the edited movie.
Select [ ] to play back the edited movie.
To change the edited part, go back to step 3.
To cancel the editing, press the < > button.
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