Update a new file TM

I have already translated a quite long file (.ini, replaced with txt) 

I removed MT option. I added the previous TM. 

Now when click the segment, it shows the previous translation 100%. 

However, I want to see the new segments. I used Pre-translate and leave un-translated segments empty. I couldn't manage. 

Is there a quick way to see the untranslated segments. 

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