In some embodiments {HEAD ~ audible and visual indication} can be provided on {TAIL ~ the assemblies} indicating successful exchange of the pairing information 
provided on
In some embodiments { HEAD ~ audible and visual indication } can be provided on { TAIL ~ the assemblies } indicating successful exchange of the pairing information
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH