{TAIL ~ Other instrumentation} than a single channel sensor may be used for measuring color of {HEAD ~ the display screen} 
{ TAIL ~ Other instrumentation } than a single channel sensor may be used for measuring color of { HEAD ~ the display screen }
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD