boolean FS20_DimDown (int $InstanceID)
ID of the device to be switched
If the command succeeds, it returns TRUE, otherwise FALSE.
Dims the device with ID InstanceID down a level.
Since the FS20 system is unidirectional, can not be determined whether the command was successful. Error messages are only sent when an internal system error occurred (for example, if the FHZ is not connected).
FS20_DimDown(12345); //Dimming the device down