Extron electronic MSW 4SV RS Command and Response Table for SIS Commands, VX%FX$VmtX#, Video mute

Command and Response Table for SIS Commands

Command	ASCII Command	Response	Additional Description
	(host to unit)	(unit to host)
Input selection
Select input	X! !	InX!]	Selects input (X! 1 to 4)
Input video sensing
Request status of all inputs	0S	Sig•X@•X@•X@•X@] Each X@ response is the signal status of an

input, from input 1 to 4. X@ = 0 (no signal) or 1 (signal detected).

Example:	0S	Sig•1•0•0•1]
Request the status of an	X!S	X@]
individual input

Input 1 = signal present; input 2 = no signal present; input 3 = no signal present; input 4 = signal present.

Signal status for input X! is X@

Video mute

Mute or unmute video	X#B	VmtX#]	Toggles between video mute and unmute; X#
			= 0 (unmute) or 1 (mute).
Read mute status	B	X#]	Shows mute status.
Mode select
Normal/auto switch mode	X$#	FX$]	Toggle between normal and autoswitch
			modes.
			X$ = 1 (normal) or 2 (auto)
Information Requests

General information I VX%•FX$•VmtX#]

Example:	I	V2•F1•Vmt0]
Query firmware version	Q	x.xx]
Query part number	N	60-480-xx]

For currently selected input X% (1 to 4) switcher is in X$ mode (1 = normal, 2 = auto)

and video mute status is X# (0 = unmute, 1 = mute).

Video is selected on input 2; switcher is in normal mode (F1); video mute is off.

View the firmware version.

View the part number (60-480-11 or 60‑480‑12).

Upload firmware	EUpload}	Go]	Upload firmware.
System reset (factory default)	EZxxx	Zpx]	Resets unit to factory defaults.

MSW 4V rs and MSW 4SV rs • SIS Commands 19