[Ann Bens]

Open clip in Source monitor.
Add marker (M) then click on marker while holding down ALT.

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[Ann Bens]

The only option I can think of is import the 4K clips and manually Replace With Clip for each clip.

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[Ann Bens]

This is how offline editing is done.
https://helpx.adobe.com/premiere-pro/using/create-clips-offline-editing.html

Have not you tried it for a small project with a few clips if it will work?

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[Ann Bens]

You cannot buy CC only rent.

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[Ann Bens]

[Melanie Easton] “Just export what I’ve got from Pinnacle and import that into Premiere Pro as a single big clip”

That is your only option.
Or import all the clips and start over and use the big clip as a reference.

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[Ann Bens]

Changing still duration in the Pref. is done before import.
However you can rightclick on the image in the Project Window and select Speed/Duration.

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[Ann Bens]

Given on the little info I would go for rgb curves.

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[Ann Bens]

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[Ann Bens]

They are stuck to the Show Audio Waveform.
You can expand the track vertically or uncheck Rectified Waveform.

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[Ann Bens]

Try it, Premiere wont bite.

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