User guide


E01 — Invalid output channel number (too large)
E10 — Invalid command
E13 — Invalid value (too large)
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Command ASCII Command
(host to unit)
Response
(unit to host)
Additional Description
Video Mute
Video mute single output
X!*X@B VmtX!*X@] Video mute output X! only
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 VmtX@]
Video mute all outputs
Query Video mute status
B
Vmt
X@•X@•...X@]
video mute status of outputs 1 to 4
(HDMI DA4) or 1 to 6 (HDMI DA6).
Audio Mute
Audio mute single output
X!*X#Z AmtX!*X#] Audio mute output X! only
X# = 0 (audio mute disabled)
or 1 (audio mute)
Audio mute all outputs
X#Z AmtX#]
Audio mute all outputs
Query Audio mute status
Z
Amt
X#•X#•...X#]
Audio mute status of outputs 1 to 4
(HDMI DA4) or 1 to 6 (HDMI DA6).
Video Color Bit Depth
Set video bit depth for a
specific input
EVX!*X$BITD} BitdVX!*X$] X$ = 0 (auto, based on sink EDID)
1 (force 8‑bit)
2 (pass‑through, unmodified)
Set video bit depth for all
inputs
EVX$BITD} BitdVX$]
View video bit depth for all
inputs
EVBITD} BitdVX$•X$•...X$]
video bit depth of outputs 1 to 4
(HDMI DA4) or 1 to 6 (HDMI DA6).
Signal Status
Request all signal status
ELS} SigX#*X#•X#•...X#] Signal status (X#) of the input and
outputs 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
EHDCP} HdcpX#*X#•X#...X#] X# = 0 (HDCP on) or 1 (HDCP off)
HDCP status of input * output1 •
output 2 • output n
HDMIDA4andHDMIDA6•SISCommands 17