Error Messages
E01 — Invalid output channel number (too large)
E10 — Invalid command
E13 — Invalid value (too large)
Command and Response Table for SIS Commands
Command
ASCII Command
(host to unit)
Response
(unit to host)
Additional Description
Video Mute
Video mute single output
X!
*
X@
B
Vmt
X!
*
X@]
Video mute output
X!
only
1
or
2
(HDMI DA2)
1
,
2
,
3
, or
4
(HDMI DA4)
1
,
2
,
3
,
4
,
5
, or
6
(HDMI DA6)
X@
=
0
(video mute disabled)
or
1
(video mute)
or
2
(video and sync mute)
Video mute all outputs
X@
B
Vmt
X@]
Video mute all outputs
Query Video mute status
B
Vmt
X@
•
X@
•...
X@]
video mute status of outputs 1 to 2
(HDMI DA2), 1 to 4 (HDMI DA4),
or 1 to 6 (HDMI DA6).
Audio Mute
Audio mute single output
X!
*
X#
Z
Amt
X!
*
X#]
Audio mute output
X!
only
X#
=
0
(audio mute disabled)
or
1
(audio mute)
Audio mute all outputs
X#
Z
Amt
X#]
Audio mute all outputs
Query Audio mute status
Z
Amt
X#
•
X#
•...
X#]
Audio mute status of outputs 1 to 2
(HDMI DA2), 1 to 4 (HDMI DA4),
or 1 to 6 (HDMI DA6).
Video Bit Depth Mode
Set video bit depth mode
for a specific input
E
V
X!
*
X$
BITD
}
BitdV
X!
*
X$]
X$
=
0
(
default value
: auto, based
on sink EDID)
1
(force 8-bit)
Set video bit depth mode
for all inputs
E
V
X$
BITD
}
BitdV
X$]
View video bit depth mode
for all inputs
E
VBITD
}
BitdV
X$
•
X$
•...
X$]
video bit depth of outputs 1 to 2
(HDMI DA2), 1 to 4 (HDMI DA4),
or 1 to 6 (HDMI DA6).
Signal Status
Request all signal status
E
LS
}
Sig
X#
*
X#
•
X#
•...
X#]
Signal status (
X#
) of the input and
outputs 1 to 2 (HDMI DA2), 1 to 4
(HDMI DA4), or 1 to 6 (HDMI DA6).
Signal status of input * output 1 •
output 2 • output
n
X#
=
0
(signal undetected)
or
1
(signal detected)
Request all HDCP status
E
HDCP
}
Hdcp
X#
*
X#
•
X#
...
X#] X#
=
0
(HDCP on) or
1
(HDCP off)
HDCP status of input * output 1 •
output 2 • output
n
HDMI DA Series • SIS Commands
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