Thank you for your post.
At this time, you cannot hide the toolbar when editing a field. However, if you hide the toolbar and lock it, the only options you will have are the "Previous" and "Next" buttons. That is, the record slider and icons on the right side will disappear.
I recommend you enter this suggestion into our Feature Requests web form at:
The entries into this web form are hosted and monitored by our Development and Product Management departments, where all suggestions entered are discussed and considered for future releases. Although I could easily copy your post and paste it into the web form, there are a couple of questions answered that only you can answer.
Thank you for the answer I needed! That will work for me.