Lex is right. You cannot delete pan/crop .. It’s confusing. It appears in all the FX chains but it is something you cannot do without. Pan/crop sets your framing. It has to be there.
>>How do I then apply pan/crop to all split segments at once?
First. When you place some media on the timeline, we call it “an event” in Vegas. If you split that media, you now have two events and so on. So let’s say you have split your media into 6 events. You want the same exact pan/crop setting for all of these events. How do you do it all at once?
1. Copy (Ctrl-C) the event you want to use for pan/crop settings.
2. Select all the other events on your timeline that you want to apply the pan/crop settings to .. Do this by selecting the first event, then hold down the CTRL key and click the next event you want to select .. and so on until all events are selected and highlighted.
3. Right click on one of the selected events. Choose “Paste event attributes”. .. DONE.
It does not matter which events you select. They do not all have to be from the same media — all of them will get the same pan/crop settings if you copy and then paste event attributes. THEY WILL ALSO GET any other attributes from the copied event, like FX too. So if you have a Color Curves setting in the event you copy, that same setting will be applied to an event you do “paste event attributes” .. SO if you only want pan/crop, then “uncheck” any other FX in the chain before you copy it to do a past event attributes.
By the way, if you adjust the pan/crop on your media prior to doing a split. The pan/crop setting remains no matter how many times you split that media. But once the media is split, they are separate events with separate attributes.
Hope this helps.