Siemens Plant Central Clock TC100 - Manual (Page 58)

Configuration Tool
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SICLOCK ® TC100 Operating Instructions
How you check whether the value has been accepted by the device:
1. In online mode, select the entry of the changed parameter as described above.
−> The current value is displayed in the device.
Note
Depending on the parameter/entry and operating state, the device checks whe-
ther it can accept the changed value. If the device rejects the new value, it is reset
to the old value.