CEStronics CES OMEGA FLEX Assembly And Operating Manual page 45

7.5 Battery replacement
If you now hold the Battery Master in front of the reading
field, an event is generated that automatically transfers the
current date of the battery change to the CEStronics Suite
(with offline devices, transfer does not occur until a
connection is made with the RF-Stick).
The battery replacement is now completed successfully.
Wide shield replacement handle set ILS-I Page 45 of 83