HOW TO EXPORT A REFERENCE.
Your EDIT is LOCK.
You have to export a reference for AUDIO MIXING and color grading dpt.
Step 1 : Duplicate your PictureLock Offline Timeline.
Step 2 : Check for any effects that are present in your offline timeline, if can’t remove them then you can add a marker and note the type of this effect.
Step 3: Burn to the image the current SourceClipName + SourceClipTimecode.
Step 4: Burn to the image each marker info you’ve noted before.
Step 5: Be sure that your Timeline has the right aspect ratio (SameAsFinalMasterExport).
Step 6: Export a ProRes422 Proxy of that timeline.