Thanks to both of you for trying to help me, but still I am not able to solve my problem.
I made the changes indicated by Mr. Baker, then I restarted NX, I imported 3D model, I went in Drafting, I put the views, and then I do not know what to do to break contact with one 3D model views.
Then I tried to follow the advice of Mr. Psaltopoulos with right click on the view, then choose Style, but I fail to find something that would allow to set the view non associative.
Please, detail your answer if you can.
Thanks a lot.
Regards,
Ben