Start/end, menu, arquive/rev, exame/rev, measure, and the qwerty keyboard don't work, just the bip sound.
Mon Oct 25 2021
Some keys do not work properly.
Sun Mar 19 2023Reply from ElhayesMD

I wish you found solution for it
I've the same problem and I've told that it's due to board failure
Report Post
Fri Sep 06 2024Reply from I.B. Luis