Bitfields for PCOX status word:
Bit(s)	Description	)
 0,1	cursor type
 2	cursor inhibited
 3	display inhibited
 4	feature step inhibited
 5	480-character format code
 6,7	unused
 8-10	model number (2-5)
 11	unit has been reset by controller (cleared after status returned)
 12	buffer has been written into (cleared after status returned)
 13	alarm has been sounded (cleared after status returned)
 14-15	monitor type (01 mono, 10 color, 11 hybrid)