YOKOGAWA EXA DO402G, User Manual, Page: 42 / 95

<4. Operation; Display Functions And Setting>
4-3
IM 12J05D02-01E
4.3 Setting passcodes
In Service Code 52, EXA users can set passcode protection for each one of the three operating
levels, or for any one or two of the three levels. This procedure should be completed after the
initial commissioning (setup) of the instrument. The passcodes should then be recorded safely for
future reference.
When passcodes have been set, the following additional steps are introduced to the configuration
and programming operations:
l
Maintenance
Press MODE key. The display shows 000 and *PASS*
Enter a 3-digit passcode as set in Service Code 52 to obtain access to the Maintenance Mode
l
Commissioning
Press * key. The display shows 000 and *PASS*
Enter a 3-digit passcode as set in Service Code 52 to obtain access to the Commissioning Mode.
l
Service
From the commissioning menu, select *SERV by pressing YES key. The display shows 000 and
*PASS*
Enter a 3-digit passcode as set in Service Code 52 to obtain access to the Service Mode.
NOTE
See Service Code 52 for the setting of passcodes.
9th Edition: Aug. 05, 2015-00