Extron electronic DSC 3G-HD A, DSC HD-3G A OSD reads YUV 444 Limited, OSD reads YUV 422 Limited

X3(	=	Aspect ratio
		1	= Fill: each input rate automatically fills the entire output raster (default)
		2	= Follow: each input rate is displayed with its native aspect ratio
X4)	=	Screen saver mode
		1	= Black screen (default)
		2	= Blue output with OSD text
X4@	=	Video mute
		0	= Off (unmute) (default)
		1	= On (mute to black screen)
		2	= On (mute all output sync and video)
X4#	= Auto-Image threshold value (DSC HD-3G A only)
		0	(black) though 100 (white) (default = 25)
		Response is 3 digits, padded with zeros.
X4$	= HDCP status (DSC 3G-HD A only)
		0	= No sink device detected
		1	= (Not supported — reserved for future use)
		2	= Sink detected
X4*	= HDMI output format (DSC 3G-HD A only)
		0	= Auto (default). (HDMI – RGB Full to a CEA sink or DVI to a non-CEA sink).
			OSD reads Auto.)
		1	= DVI (RGB 444, 0-255, no audio, no InfoFrames)
			OSD reads DVI RGB 444.)
		2	= HDMI RGB Full (RGB 444, 0-255, audio, InfoFrames.
			OSD reads RGB Full.)
		3	= HDMI RGB Limited (RGB 444, 16-235, audio, InfoFrames.
			OSD reads RGB Limited.)
		4	= HDMI YUV Full (YUV 444, 0-255, audio, InfoFrames.
			OSD reads YUV 444 Full.)
		5	= HDMI YUV Limited (YUV 444, 16-235, audio, InfoFrames.
			OSD reads YUV 444 Limited.)
		6	= HDMI YUV Full (YUV 422, 0-255, audio, InfoFrames.
			OSD reads YUV 422 Full.)
		7	= HDMI YUV Limited (YUV 422, 16-235, audio, InfoFrames.
			OSD reads YUV 422 Limited.)
X5!	= SDI audio channels — AES channel pair 1 or 2 of the selected group (DSC 3G-HD A only).
		1	= Channel pair 1
		2	= Channel pair 2
X5@	= SDI audio group — AES channel pair group 1 through 4 (DSC 3G-HD A only).
		1	= Group 1	3 = Group 3
		2	= Group 2	4 = Group 4
X5$	= Audio gain and attenuation
		-18through +12 dB. (For DSC 3G-HD A, this applies to analog input.)
		Response is 2 digits with leading + or – and is padded with a zero.
X5*	=	Audio input type — DSC 3G-HD A
		0	= None: input is muted.
		1	= Analog (on 5-pole captive screw connector)
		2	= Two-channel digital (2CH audio, one channel pair SDI selected) (default)
		3	= Eight-channel digital (8CH audio, pairs 1 through 4 SDI. Audio delay is applied and the
			signal is re-embedded in the SDI output.)
X5(	=	Audio input type — DSC HD-3G A
		0	= None: input is muted.
		1	= Analog (on 5-pole captive screw connector)
		2	= LPCM two-channel digital (embedded in the HDMI input) (default). LPCM-2CH audio is
			requested from the source via EDID.
		3	= Multi-channel digital (via EDID). Allows any digital audio format from the source.
			Audio delay is applied and the signal is re-embedded into the HDMI output.
		4	= (Unsupported input audio format)

DSC 3G-HD A and DSC HD-3G A • Remote Configuration and Control 47