Vivotek 7530D, MD7530 manual Cropsize Window Crop width and height

			VIVOTEK
(MD7560)	(x,y)
crop_size	<window	1/4	Crop width and height.
(MD7560)	size>		(width must be 16x or 32x and height must be 8x)
	(WxH)
s<0~(m-1)>_codectype	mpeg4,	1/4	Video codec type.
	mjpeg
s<0~(m-1)>_resolution	(MD7530)	1/4	Video resolution in pixels.
	176x144,
	160x120,
	320x240,
	640x480
	(MD7560)
	176x144,
	320x240,
	640x480,
	800x600,
	1280x960,
	1600x1200
s<0~(m-1)>_mpeg4_int	250, 500,	4/4	Intra frame period in milliseconds.
raperiod	1000, 2000,
	3000, 4000
s<0~(m-1)>_mpeg4_rat	cbr, vbr	4/4	cbr, constant bitrate
econtrolmode			vbr, fix quality
s<0~(m-1)>_mpeg4_qu	0, 1~5	4/4	Quality of video when choosing vbr in
ant			“ratecontrolmode”.
			0 is the customized manual input setting.
			1 = worst quality, 5 = best quality.
s<0~(m-1)>_mpeg4_bit	(MD7530)	4/4	Set bit rate in bps when choosing cbr in
rate	4000~400000		“ratecontrolmode”.
	0
	(MD7560)
	4000~800000
	0
s<0~(m-1)>_mpeg4_m	1~30	1/4	Set maximum frame rate in fps (for MPEG-4).
axframe
s<0~(m-1)>_mpeg4_qv	(MD7530)	4/4	Manual video quality level input.
alue	1~32		(s<0~(m-1)>_mpeg4_quant = 0)
	(MD7560)
	1~31
s<0~(m-1)>_mjpeg_qu	0, 1~5	4/4	Quality of JPEG video.

User's Manual - 121