IAI America CON-PGA - Manual (Page 191)

7. Operation of MEC Related Controllers
183
Touch [OK].
Touch [Menu] to return to the MEC menu screen.
All initial settings you have made will be discarded.
Touch [Yes].
The controller will restart.
After the restart, the controller will operate according to the initial
settings you have made.
Return to the MEC menu screen.
If you touch [No], the initial settings you have made will not be
reflected until the controller is restarted.