Resize proxies in the Source Area individually or as a group. You can reduce the size of proxies if your Source Area contains many clips, or enlarge a selected few that you might want to compare.
To resize a Source Area proxy:
To resize a group of Source Area proxies:
When you let go of the resized clip, the selected clips are resized to match it. If the focus source clip is not among the clips you select, the most recent focus clip within that selection becomes the current source clip.