KROHNE OPTIMASS with MFC 05x EN - Manual (Page 86)

Installation and Operating Instructions OPTIMASS 85
Menu 3.5 Passwords
This menu contains all the settings to protect the configuration of the instrument from accidental or
deliberate changes.
Display Key
Line 1 Line 2
From Fct. 3.5.1 Supervisor
→ By pressing this button Enable PW appears.
↑ Selects further options, change PW or Exit.
Enable password – press ↵.
•
Code 1 will appear with 9 open segments below.
• Press a combination of → ↵ ↑ arrows as a pre-selected password.
Note:
Make a note of the sequence as once enabled and the password is forgotten, access to the programming
mode will no longer be possible.
•
Once the 9 keystrokes have been entered, ↵ confirms the password.
• Comms Yes will appear in the display.
• If comms are used the option can be selected for comms as well. If not required, select No using the ↑
key.
• After pressing ↵ PW Enabled will appear.
• Once you have exited the programming mode you will need to enter this password to access the
programming mode again.
If the password is to be disabled, enter the programming mode using the password.
Display Key
Line 1 Line 2
From Fct. 3.5.1 Supervisor
→ Disable PW appears.
↵ To input the original password.
Once the original password has been entered, the words PW disabled appear. The password has now
been disabled and once ↵ is pressed, the program reverts to the last step.
If the → is pressed or you are in the password menu Exit can be selected with the ↑ key and after pressing
↵ you will exit the menu.
A password can also be changed by selecting Change PW using the ↑ key.
Custody Fct. 3.5.2 (applicable to Custody Transfer meters only).
The same procedure as above can be used to enter a unique password to protect the meter ranges, pulse
information etc to be changed in a Custody Transfer application.
This password is normally kept by the Fiscal authorities when such applications are tested and the meter
is subsequently sealed.
Total Reset Fct 3.5.3
This function allows the user to select whether the totalizer may be reset or not, as well as to block or allow
the reset function via a communication option if used.
Display Key
Line 1 Line 2
From Fct. 3.5.3 Total Reset
→ Allow reset.
↑ Selects further options, comm reset or no reset allowed.
After selection press ↵
Note: If no reset is selected, the totalizer cannot be reset at all. (See section 4.1 for reset
totalizer function).