The display bar has transparent and opaque portions, and as it slidably moves in relation to the display area, the transparent portions of {TAIL ~ the display bar} reveal {HEAD ~ a predetermined bedding control schedule} 
The display bar has transparent and opaque portions , and as it slidably moves in relation to the display area , the transparent portions of { TAIL ~ the display bar } reveal { HEAD ~ a predetermined bedding control schedule }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD