By default or through an output range control, an output white level can be specified for {HEAD ~ the reference channel} so that {TAIL ~ the output reference white level} is set equal to the input reference white level set during calibration 
By default or through an output range control , an output white level can be specified for { HEAD ~ the reference channel } so that { TAIL ~ the output reference white level } is set equal to the input reference white level set during calibration
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH