Endress+Hauser Levelflex FMP51 Operating Instructions Manual page 44

Commissioning
1. Unscrew the lid from the compartment for the display and operating module.
2. Slightly turn the display and operating module to remove it from the compartment.
3. Set the locking switch (WP: Write Protection) into the desired position. (A): unlocked; (B):
locked.
4. Attach the display and operating module in the desired orientation until it closes with a
snap.
5. Screw the lid onto the compartment.
9.4.2 Revoke software locking
å 13 Input prompt for the access code to unlock software-locked parameters.
Parameters affected by the software lock are marked by a padlock in front of the parameter name.
After pressing F an input prompt appears. Enter the user defined locking code to unlock the
device.
Step Parameter
1 Setup ® Advanced setup ® Define access code
2 Setup ® Advanced setup ® Enter access code
Setup ® Advanced setup ® Enter access code
3
44
E
Action
To lock the device:
Enter a user-defined access code.
To unlock the device:
Enter the previously defined access code.
To lock the device again:
Enter a number other than the previously defined access
code.
Levelflex FMP51, FMP52, FMP54
Endress+Hauser
A0013651