The preset time window for {TAIL ~ each sensor} can be viewed as {HEAD ~ the address} of the sensor 
The preset time window for { TAIL ~ each sensor } can be viewed as { HEAD ~ the address } of the sensor
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH