IAI America CON-PGA - Manual (Page 93)

5. Operation of CON Related Controllers
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[Dim Display Time]
Touching [Dim Display Time] displays the numerical keypad.
Enter a desired time after which the screen light turns off when no
operation has been performed, and then touch [ENT].
Touch [Write].
(Note) If writing is not conducted, the values will go back to those
before making a change when moving to another window.
[Change System Password]
You can change the system password.
Touch [Change System Password].
If the system password is set, you must enter the password currently set.
Enter the new password to change to.
Touch [ENT].
Touch [Change].
Touch [OK].