Remove the battery compartment cover.
Remove the used button cell.
Insert a CR2032 button cell battery, observing the correct polarity.
The correct backup battery position is shown on the battery compartment cover.
Close the battery compartment and refi t the screw.
Plug the mains plug back into a 230 V ~ 50 Hz mains socket.
Set the clock when the battery has been inserted in order to retain the time in the memory
when the product is disconnected from the mains.
122