Extron electronic CTR 8 Command and Response Table for SIS Commands, A/V Muting, A/V Mute Modes

Command and Response Table for SIS Commands

Command	ASCII Command	Response	Additional
	(host to unit)	(unit to host)	Description
Select input	X)!	ChnX)]	X) = input 0-8
View last selected input	!	X)]
Query contact closure status	S/s	X@X@X@X@X@X@X@X@]	Least significant input
			on far left
Example response:		01000000]	Contact input 2 is
			selected
Unidirectional Serial Data Port
Configure port parameters	E2*X2%,n,8,1CP}	Cpn02•CcpX2%,n,8,1]	n = Parity = None
Example command:	E2*19200,n,8,1CP }		8 = Data bits
			1 = Stop bit
View parameters	E2CP}	X2%,n,8,1]
A/V Mute Mode
Configure A/V mute mode	EX#*X$MUTM}	MutmX#*X$]
View A/V mute mode setting	EMUTM}	X#*X$]
Other
Information request	I/i	CTR•8]
Request part number	N/n	60-xxxx-xx]	View the part number
Query firmware version	Q/q	x.xx]	Firmware build (2
			decimal places)
Query full firmware version	*Q/*q	x.xx.xxxx]	View the full firmware
Reset all device settings to	EzXXX}	Zpx]
factory

A/V Muting

The CTR 8 allows A/V muting for a selected input. This feature allows users to press the selected input button to mute and unmute the audio and video as needed during a presentation.

•Press the button once to select an input (Select state)

•Press the same button again to activate A/V mute (De-select state)

•Press the button once more to return to the Select state, which selects the input and unmutes the audio and video.

NOTE: The A/V mute feature is only triggered by contact closure. SIS input selection (for example, entering 1! two times) will not trigger the de-select state.

A/V Mute Modes

There are three A/V mute modes, based on the device:

•Mute mode 1: Mutes switcher input by selecting channel 0

•Mute mode 2: Mutes video and audio individually

•Mute mode 3: Mutes video and sync

Mute mode 0 is the normal (default) single state operation. A/V mute is not activated in this mode.

NOTE: See the next page for a partial list of Extron switchers that are compatible with the different mute modes.

CTR 8 • Remote Communication and Control 8