Select the "Delete data" menu option.
After selecting Delete data, the following appears in the display:
Useful tip: With the menu option Module, Total data and Programme
data are deleted from the Operating data.
With the menu option Total data, only the total data will be deleted
from the Operating data.
With the menu option Programme data, only the programme data will
be deleted from the Operating data.
Select a menu option by turning the multifunction selector. Press
the multifunction selector to confirm the selection.
A prompt to enter a password then appears.
Enter the password or insert the card for Supervisor level.
The menu option is accessed and an additional security question
appears.