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Command and Response Tables for Transmitter SIS Commands
The following commands are for direct connections to the XTP T HDMI (see to the XTP
matrix switcher user guide for commands that can be sent from the matrix to endpoints).
Command ASCII Command
(Host to Device)
Response
(Device to Host)
Additional Description
Audio Configuration
Input audio format selection
Set input audio selection
EIX&AFMT} AfmtIX&]
Set which audio input signal the
transmitter will send. Auto will prioritize
digital over analog audio.
View input audio selection
EIAFMT} AfmtIX&]
View the input audio format setting.
Audio gain and attenuation
NOTE: Audio gain (G) and attenuation (g) are case sensitive.
Set audio gain
X1@G AudX1@] Sets audio gain on current input to X1@.
Set audio attenuation
X1#g AudX1#]
Sets audio attenuation on current input
to X1#.
Increase gain
+G
Aud
X1$]
Increments audio level.
Decrease gain
-G
Aud
X1$]
Decrements audio level.
View gain
G
Aud
X1$]
View the audio level of the current input.
Loop-through audio mute
Mute loop-through audio
1Z
Amt1
]
Mute the embedded audio.
Unmute the loop-through audio
0Z
Amt0
]
Unmute the embedded audio.
View loop-through audio mute
status
Z
Amt
X1%]
View the embedded audio mute status.
Black signal for audio only
NOTE: The transmitter uses a black signal to simulate a 720p or 1080p, 50 Hz or 60 Hz signal so audio can
be passed without video.
Set black signal resolution
EAX2)AFMT} AfmtAX2)]
Set the black signal resolution.
View black signal resolution
EAAFMT} AfmtAX2)]
View the current black signal resolution.
Enable black signal
EB1AFMT} AfmtB1]
Enable the black signal for audio only.
Disable black signal
EB0AFMT} AfmtB0]
Disable the black signal.
View black signal
EBAFMT} AfmtBX@]
View the black signal status.
NOTE: X@ = Enable or disable 0 = off or disable
1 = on or enable
X& = Input audio format 0 = auto (default)
1 = digital or embedded
2 = analog
X1@ = Audio gain 0 - 24 = decibels above 0
X1# = Audio attenuation –18 - 0 = decibels below 0
X1$ = Audio level –18 - +24 (0 dB = default)
X1% = Audio mute 0 = unmute all
1 = mute loop-through audio
X2) = Black signal resolution 2 = 1280 x 720p, 50 Hz
4 = 1280 x 720p, 60 Hz (default)
6 = 1920 x 1080p, 60 Hz
XTP T HDMI Transmitter and XTP R HDMI Receiver • SIS Configuration and Control 19