Xerox 6287 user manual Por, Psf, Ptm

Page 13-10			6287 ALLY PLUS User’s Manual
PFS			Programmable function string.
Plotter			An output unit that graphs data by
			automatically controlled pens.
POR			Power on reset.
Power on reset			The method by which a peripheral
			device announces to the host that it is
			ready.
Presentation		line	The number of the line that is the
			current presentation position.
Presentation		position	The line and column number of the
			current position on the page.
Presentation		surface	Represents a single page of printed
			output.
Print screen			A PC keyboard command that will print
			the text currently displayed on the
			screen.
Printer			An output device that produces hard
			copy output.
Program	attention key		Found on displays and printers, these
			keys inform the host of operator
			actions.
Programmable function string			An instruction string used by the ALLY
			PLUS to activate printer features.
Protocol			A set of rules governing the format of
			data and the control of information
			interchange between two
			communicating devices.
Protocol	converter		A device that takes input in one data
			communications format and outputs the
			data in another communications format.
Pseudo	transparency		A form of transparency used by the
			ALLY PLUS and available in both SCS
			and DSC data streams. One-trigger and
			two-trigger methods are provided.
PSF			Print Services Facility.
PTM			Pseudo transparency mode.