InFocus QR80421, W59 manual Vertical Position

Vertical Position	VPS	RW	if	def+	auto	1
			def<1	128
			28 : 0
			else:
			def-
			128
Vertical Position (Split	VPL	RW	if	def+	auto	1
Screen left)			def<1	128
			28 : 0
			else:
			def-
			128
Vertical Position (Split	VPR	RW	if	def+	auto	1
Screen right)			def<1	128
			28 : 0
			else:
			def-
			128
Video Standard*	VSU	RW	0	3	0	1
0: Auto
1: NTSC
2: PAL
3: SECAM
Volume	VOL	RW	0	32	16	1
Red Gain*	RCG	RW	64	192	128	1
Green Gain*	GCG
Blue Gain*	BCG

* These RS-232 commands have no effect when Split Screen is on.

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