Locking Tablet to a Stage

I understand how to lock a stage on a tablet.
How can you lock a tablet so that only the MD/Score shack can change the stage that can be viewed on the tablet?

For that you can turn on the “secure match” option on the match editing screen.

Make sure you remember the match password, or else you won’t be able to edit your match stages or competitors.

Great, thank you for the quick response!!