Siemens SIMATIC HMI Series Getting Started page 47

Result
Automatic backup is activated. The content of the system memory card is automatically
synchronized with the content of the HMI device. All changes to the HMI device are also
written to the system memory card.
For additional information on this topic, refer to the operating instructions of the HMI device
in the chapter "Commissioning of device".
See also
Slots for memory cards (Page 18)
Migration Guide Comfort Panels
Getting Started, 03/2011, A5E03478626-01
Note
No message during insertion of a defective system memory card
If you insert a defective system memory card, the message "Use system card?" will not
appear.
Replace the system memory card with a new SIMATIC HMI Memory Card.
Note
No message for system memory card from HMI device that is not an identical model
If you insert a system memory card from a non-identical HMI device, the message "Use
system card?" will not appear.
You can either overwrite the content of the system memory card with the data of the HMI
device or remove the system memory card. As an alternative, you can create a backup of
the system memory card.
Commissioning the HMI device
4.3 Using automatic backup
47