User's Manual

PID2_UserManual.doc 11
OPID Descriptions & Features
The OPID is used in combination with the PHMU Menu Key in order to gain access to the Setup Menu
options.
An active and authorized OPID must be present in order for the user to
access the Setup Menu with the PHMU Menu Key.
The OPID serial numbers is verified by the PHMU and invalid or
unauthorized OPIDs will not permit access to the Setup Menu.
Figure 13: OPID