Does anyone know how to use the 6th tab on the Kamidori trainer? I locked myself out of my first unit.

Was messing around for the lulz and found out that the last tab gave extra units; had 11 at one point. But I found out that it can lock you as-well, who wouda thunk? Any help would be welcome and yeah its what I get for cheating but when I had 2 mylen ploa anyone would try again.