Lauda RP 845 Operating Instructions Manual page 33

Proline Low-temperature Thermostats
Command
Help Menu
YACE0072 / 21.08.07
Locking keyboard
End T
set
Unlocking keyboard
Locking:
− Press
pressed simultaneously for
three seconds.
− The locking window appears.
− Hold both keys pressed until the progress
bar is completely filled.
− Then the display skips back to the
previously set Screen mode.
− The soft-key boxes are now blank,
T
fix
indicating that the keyboard is locked.
− On pressing any Master key the display
appears:
Keyboard locked
Unlocking:
− Press
pressed simultaneously for three
seconds.
− The unlocking window appears.
− Hold both keys pressed until the progress
bar is completely filled.
Then the display skips back to the previously
set Screen mode.
Starting up
and then and hold
and then and hold
33