When the Security System is enabled, this button allows you to log in to the OI. You must have a user name and password assigned to you before you log in.
This button changes in appearance, depending on if the security system is enabled or disabled:
Security system is enabled; no operator is logged in. Touch this button to log in.
Security system is enabled; an operator is logged in. Touch this button to log out and revert to No Operator.
Security system is disabled.