*FX4		Enable/disable cursor editing:
		*FX4,0 enable cursor editing;
		*FX4,1 disable cursor editing and assign ASCII codes:
		COPY 135
		<-- 136
		--> 137
		v 138
		^ 139
		*FX4,2 disable cursor editing and assign soft key
		numbers:
		COPY 11
		<-- 12
		--> 13
		v 4
		^ 15
		*FX4,3 cursor keys have joystick effect. COPY is equivalent to
		(and ORed with) the 'fire' button.
*FX5		Select printer type (see page G2):
		*FX5,0 selects printer sink (no printing);
		*FX5 , 1 selects parallel printer;
		*FX5,2 selects serial printer;
	#	*FX5,3 selects user printer routine;
		*FX5,4 selects network printer server.
		Printer types higher than 4 should not be used.
		The default setting can be set using *CONFIGURE PRINT (see
		page App 3.1).
*FX6		Select printer ignore character (equivalent to *IGNORE). For
		example:
		*FX6,10 prevents line feeds (ASCII 10) being sent to the
		printer.
*FX?	#	Select RS232 (optional) receive rate.
*FX8	#	Select RS232 (optional) transmit rate.
*FX9		Set flash rate of first colour in fiftieths of a second (default
		setting 25).
		*FX9,0 disables flashing and forces the first colour on the
		screen;
		*FX9 , 10 sets the flash rate to one fifth of a second.
App 4.2