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Command and Response Tables for the Transmitter SIS Commands
The following commands are for direct connection to the XTP T HD 4K (see the XTP matrix
switcher user guide for commands sent from the matrix switcher to the transmitter).
Command
Audio Configuration Commands
Input audio format selection
Set input audio format
View input audio format
Audio level
NOTE: Gain and attenuation commands are case-sensitive. Audio level commands are not case-sensitive.
Set audio gain
Set audio attenuation
Increase audio level
Decrease audio level
View audio level
Black video signal
NOTE: The transmitter uses a black signal to simulate a 720p (50 Hz or 60 Hz) or 1080p (60 Hz) signal to pass
audio without video over the XTP interconnection.
Enable black signal
Disable black signal
View black signal status
Black video signal resolution and refresh rate
Set black video signal
resolution and refresh rate
View black video signal
resolution and refresh rate
NOTES:
X!
= Input audio format
X@
= Audio gain
X#
= Audio attenuation
X$
= Audio level
X%
= Black video signal
X^
= Black video signal resolution
XTP T HD 4K Transmitter and XTP R HD 4K Receiver • SIS Configuration and Control
ASCII Command
ASCII Response
(Host to Device)
(Device to Host)
E
X!
}
I
AFMT
AfmtI
E
}
IAFMT
AfmtI
X@
G
Aud+
X#
g
Aud-
or
+G
+g
Aud
or
-G
-g
Aud
or
G
g
Aud
E
}
B1AFMT
AfmtB1
E
}
B0AFMT
AfmtB0
E
}
BAFMT
AfmtB
E
X^
}
A
AFMT
AfmtA
E
}
AAFMT
AfmtA
= auto (default)
0
= digital embedded
1
= analog
2
0 to
in 1 dB steps (
24
to
in 1 dB steps (
0
18
to +
in 1 dB steps (
-18
24
= disable black video signal
0
= enable black video signal (default)
1
= 720p @ 50 Hz
2
= 720p @ 60 Hz (default)
4
= 1080p @ 60 Hz
6
Additional Description
Set which audio input signal the
X!]
transmitter sends.
digital audio over analog audio.
X!]
X@]
Set the audio level to
zero.
X#]
Set the audio level to
zero.
X$]
Increase the audio level by 1 dB.
X$]
Decrease the audio level by 1 dB.
X$]
]
Send audio only.
]
Send video and audio.
X%]
X^]
Set the resolution and refresh rate for
an enabled black video signal.
X^]
= default)
0
= default)
0
= default)
0
prioritizes
Auto
X@
dB above
X#
dB below
22
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