General Event. 


 | Data byte | Description | 
 | :---------: | ----------- | 
 | 0         | index. Often used as an index for channels/subdevices within a module. | 
 | 1         | Zone for which event applies to (0-255). 255 is all zones. | 
 | 2         | Sub-zone for which event applies to (0-255). 255 is all sub-zones. | 
 | 3-7       | Can be present or not be present. If present the bytes give additional user specific information. | 
