Extron electronic DSC HD-3G A X2 Rate, X4 Ssav, X2* Ssav, X6#, X6@, X2 =, X2* =, X4 =, X4@ =

DSC HD-3G A • Setup Guide (Continued)

Basic SIS Commands

The DSC HD-3G A can be configured with specific SIS commands via RS-232 or USB connection. This table lists a selection of basic commands. For a full list of SIS commands and variables see the DSC HD-3G A and DSC HD-3G A User Guide, online at www.extron.com.

Command	ASCII Command	Response	Additional Description
	(host to Scaler)	(Scaler to Host)
View input video format	1 * \	Vtype 1 * X# ]	View detected input video format X#.

Audio Input Format — select between analog (5-pole captive screw connector) and digital (embedded in HDMI input) audio sources.

	Set to none		E I 1 * 0 AFMT }		Afmt I 1 * 0 ]		Mute all audio for the input.
	Set to analog		E I 1 * 1 AFMT }		Afmt I 1 * 1 ]		Select analog audio for the input.
	Set to LPCM-2CH digital		E I 1 * 2 AFMT }		Afmt I 1 * 2 ]		Select LPCM 2-channel digital audio for the input (default).
	Set to Multi-CH digital		E I 1 * 3 AFMT }		Afmt I 1 * 3 ]		Select multi-channel digital audio for the input.
	Execute Auto-Image		A		Img ]		Perform an Auto-Image on the current input.
	Output Configuration
	Set output scaler rate		E X2) RATE }		RATE X2) ]		Select output resolution and refresh rate X2) (see the
							output SIS variables table on page 3).
	View output rate		E RATE }		X2) ]		Show the current output rate for the DSC HD-3G A.
	Video Mute (Defaults to unmuted after a power cycle.)
	Mute video to black		1 * 1B		Vmt 1 * 1 ]		Mute the video and display a black screen.
	Mute video and output sync		1 * 2B		Vmt 1 * 2 ]		Mute all TMDS signals on the HDMI video output.
	View video mute status		1B		X4@ ]		View output video mute status (X4@).
	Screen Saver Mode (Takes place when no signal is detected on the input.)
	Set screen saver mode		E M X4) SSAV }		Ssav M X4) ]		Set the screen saver mode to X4) (default = 1 = black).
	View screen saver mode		E M SSAV }		X4) ]		View current screen saver mode X4).
	Set sync timeout duration		E T X2* SSAV }		Ssav T X2* ]		Set the period before sync timeout to X2* seconds
							(default = 501 = never).
	View sync timeout duration		E T SSAV }		X2* ]		View the amount of time X2* before sync timeout.
	View screen saver status		E S SSAV }		X6# ]		View the screen saver status X6#.
	Reset device to factory settings		E ZXXX }		Zpx ]		Resets all device settings to the factory defaults.
	Power Save Mode
	Power save off		E 0 PSAV }		Psav 0 ]		Set the DSC to run in full power mode (default).
	Power save on		E 1 PSAV }		Psav 1 ]		Place the DSC in low power mode). (This mode can be
							exited only via the E 0 PSAV } command
	View power save setting		E PSAV }		X6@ ]		View power save status X6@.
	NOTE: X# =	Input video format: 0 = no signal; 1 = HDMI, 2 = DVI, 3 = invalid signal (up to 30 Hz);
	X2) =	4 = 3G-SDI 1080p (@ 50, 59.94, and 60 Hz), 2k; 5 = unknown.
		Output scaler rate: 0 = match output rate, 1 = custom rate 1, 2 = custom rate 2, 3 = custom rate 3,
		9 = match input (see the resolution and refresh rate table on page 3 for more rate variables).
	X2* =	Output sync timeout duration in seconds (1-500in 1-second increments): 501 = never (default), 0 = immediate timeout
	X4) =	Screen saver mode: 1 = black (default), 2 = blue
	X4@ =	Video mute: 0 = off (unmute), 1 = on (mute to black screen), 2 = on (mute all output sync and video)
	X6@ =	Power save setting: 0 = full power (default), 1 = low power state
	X6# =	Screen saver status: 0 = active, timer not running; 1 = no active input, timer running, output sync active;
		2 = No active input, timer expired
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