
Command Function  | SIS Command  | Response  | Additional Description  | 
  | (Host to Unit)  | (Unit to Host)  | 
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Video mute | 
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Enable video mute  | 1B  | Vmt1]  | Output no video signal.  | 
Disable video mute  | 0B  | Vmt0]  | Output selected video input.  | 
View video mute status  | B  | X@]  | Mute status = X@ (0 = off, 1 = on)  | 
Video breakaway | 
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Select program video input only  | X!%  | InX!•Vid]  | X! = input number 0 - 2 only  | 
View currently selected video input  | %  | X!]  | 
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Analog audio mute | 
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Mute or unmute analog audio  | X@Z  | AmtX@]  | X@ = 0 (off, default), 1 (on)  | 
Read analog audio mute  | Z  | X@]  | Analog audio mute status = X@.  | 
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Analog audio breakaway | 
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Select program audio input only  | X!$  | InX!•Aud]  | X! = 0 - 2 only (analog audio input)  | 
View currently selected audio input  | $  | X!]  | 
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Video output color bit depth | 
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Set video color bit depth mode  | EVX(BITD}  | BitdVX(]  | 0 = auto based on sink (default)  | 
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  | 1 = force   | 
View video color bit depth mode  | EVBITD}  | X(]  | 
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Device name  | 
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Set the device name  | EX&CN}  | Ipn•X&]  | Change the device name to X&.  | 
Set device name to factory default  | E•CN}  | Set device name to default.  | |
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  | (Example:   | 
View device name  | ECN}  | X&]  | 
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Reset  | 
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Reset to factory setting  | EZXXX}  | Zpx]  | Reset to factory defaults.  | 
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Upload firmware  | 
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Upload  | EUpload}  | ...go  | Upl] displays after upload is  | 
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  | Upl]  | completed.  | 
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Information requests | 
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Information request  | I  | InX!Vid•InX!Aud•AuswX#•VmtX@•AmtX@]  | |
Request part number  | N  | See the Extron website,  | |
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  | www.extron.com, for part numbers.  | 
Query firmware version  | Q  | x.xx]  | 
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Query firmware version w/build  | *Q  | x.xx.xxxx]  | 
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Verbose mode
NOTE: If tagged responses are enabled (modes 2 and 3), all “view” commands return the prefix and the value, just as the “set” commands do. For example, the view autoswitch mode (EAUSW}) command returns “AuswX#]” in verbose mode.
Set verbose mode  | EX1&CV} | VrbX1&] | 
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Read verbose mode  | ECV}  | X1&]  | 0 = clear/none  | |
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  | 1  | = verbose mode (default)  | 
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  | 2  | = tagged responses for queries  | 
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  | 3  | = verbose mode and tagged for queries  |