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Command and Response Table for SIS Commands
ASCII Command
Command
(Host to Converter)
Video Mute
Mute video
1B
Mute video and sync
2B
Unmute video
0B
View mute status
B
Audio Mute (Embedded HDMI Audio Output)
Audio mute
X!
View audio mute
Z
Signal Presence
Signal presence, input
E
and output
X!
NOTE:
= On (detected) or off (not detected):
X$
= EDID number or slot:
1
= 1280 x 720 @ 60 Hz
2
= 1280 x 800 @ 60 Hz
3
= 1440 x 800 @ 60 Hz
4 = 1600 x 900 @ 60 Hz
5 = 1680 x 1050 @ 60 Hz
X%
= Currently assigned EDID data in hexadecimal form
X^
= Resolution and refresh rate of currently assigned EDID. (Example:
X1!
= Video mute:
and video)
Response
(Converter to Host)
Vmt1
Vmt2
Vmt0
X1! ]
In verbose modes
2 and 3:
Vmt
Z
Amt
X! ]
In verbose modes
2 and 3:
Amt
}
X!
0LS
In verbose modes
2 and 3:
Sig
0
= off,
6 = 1920 x 1080 @ 60 Hz
7 = 1920 x 1200 @ 60 Hz
8 = Current output EDID (default)
9 = User-assigned
0
1
= mute off (default),
= mute on (mute to black screen),
Additional Description
]
Mute the video output and display a
black screen.
]
Mute (blank) the video output and
disconnect the sync.
]
Unmute the video and display the
output.
Show the video mute status.
X1! ]
X! ]
Mute or unmute the embedded HDMI
audio output. For
0
= Unmute audio (default)
1
= Mute audio
View the audio mute status.
X! ]
X! ]
Show signal presence on input and
*
output. For
0
= No signal detected
X!
X! ]
1
*
= Signal detected
1
= on.
1920x1080 @60.0Hz)
2
DVC RGB-HD A • Remote Configuration and Control
X!
:
X!
:
= mute on (mute all output sync
15
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