Vivotek SD7313 manual Preview = Apply the parameters of image without saving

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mute				0, 1		4/4			Enable audio mute.
gain				0~31		4/4			Gain of input.
boostmic				0, 1		4/4			Enable microphone boost.
s<0~(m-1)>_codectype					aac4, gamr	4/4			Set audio codec type for input.
s<0~(m-1)>_aac4_bitr				16000,		4/4			Set AAC4 bitrate in bps.
ate				32000,
				48000,
				64000,
				96000,
				128000
s<0~(m-1)>_gamr_bitr				4750,		4/4			Set AMR bitrate in bps.
ate				5150,
				5900,
				6700,
				7400,
				7950,
				10200,
				12200
Group: image_c<0~(n-1)>for n channel products
NAME		VALUE			SECURITY		DESCRIPTION
					(get/set)
brightness	-5 ~ 5			4/4			Adjust brightness of image according to mode settings.
saturation	-5 ~ 5			4/4			Adjust saturation of image according to mode settings.
contrast	-5 ~ 5			4/4			Adjust contrast of image according to mode settings.
sharpness	-3 ~ 3			4/4			Adjust sharpness of image according to mode settings.
mode		preview,		7/4			Preview => Apply the parameters of image without saving.
		restore,					Restore => Restore the previous saved image parameters.
		save					Save => Directly save the adjust image parameters.
Group: imagepreview_c<0~(n-1)>for n channel products
NAME			VALUE					SECURITY	DESCRIPTION
								(get/set)
brightness			-5 ~ 5				4/4		Preview of brightness adjustment of image
									according to mode settings.
saturation			-5 ~ 5				4/4		Preview of saturation adjustment of image
									according to mode settings.
contrast			-5 ~ 5				4/4		Preview of contrast adjustment of image
									according to mode settings.

User's Manual - 119