Hi Yulia Kovalskaya ,

Sorry, I did not describe this exactly enough. Try double-clicking one of the percentage values in the status bar.

Best regards

Annette 

Ok, I got it!!! Yes, it allows me to change the segment status now. There is one point to take into account in this case: if I leave my "number-symbol" segments just empty and locked, the source text will be automatically copied and generated in the target document. But if I leave them empty and assign them the "translated" status, Trados gives me blank space instead of these numbers (in the generated doc).

But this is a good lifehack for other issues! Thank you very much, Annette!

Yulia Kovalskaya 
Use this regex to filter (via Review tab) all segments with no translatable content:

^[\d\W]*$

Then select all source (there is a shortcut for this), copy all source to target and either set them to translated and lock (this way they will update the TM) or to sign-off rejected and lock (no TM update here). This way you will have no loss in your target document. On top, you can also modify number only segments accordingly to your target format using search and replace.

Jerzy and the rest of the community! You provide brilliant ideas and tips!!!

So, if I filter my doc using a regex or other filter, and sign-off rejected the filtered content, additional information appears in the lower counter bar indicating the number of the filtered segments and the % they correspond to (something that doesn´t happen with the just locked or approved segment statuses):

So useful and easy, no need to generate reports (if not required for other reasons, of course)!!!

So , thank you all SO MUCH!!!!