An operator may enter a desired performance by equipment on first computer which is placed in {HEAD ~ a communications packet} with a device number, {TAIL ~ channel number}, and one or more parameters and then sent to central controller for processing 
with
An operator may enter a desired performance by equipment on first computer which is placed in { HEAD ~ a communications packet } with a device number , { TAIL ~ channel number } , and one or more parameters and then sent to central controller for processing
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH