XTP T VGA Transmitter • SIS Configuration and Control
17
Command and Response Tables for SIS Commands
Command
ASCII Command
(Host to Device)
Response
(Device to Host)
Additional Description
Input Commands
Input video format
Set video format
X!
\
Ityp
X!
*
X@]
Set the input video format to
X!
.
View video format
\
Ityp
X!
*
X@]
View the input video format.
Audio Configuration Commands
Audio gain and attenuation
NOTE:
Gain and attenuation commands are case-sensitive.
Set audio gain
X$
G
Aud
X^]
Set audio gain to
X$
.
Set audio attenuation
X%
g
Aud
X^]
Set audio attenuation to
X%
.
Increase audio level
+G
or
+g
Aud
X^]
Increase the audio level by one dB.
Decrease audio level
-G
or
-g
Aud
X^]
Decrease the audio level by one dB.
View audio level
G
or
g
Aud
X^]
View the current audio level.
Black video signal resolution
Set black video signal
resolution
E
A
X&
AFMT
}
AfmtA
X&]
Set the black video signal resolution
to
X&
.
View black video signal
resolution
E
AAFMT
}
AfmtA
X&]
View the black video signal
resolution.
Black video 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.
Enable black signal
E
B1AFMT
}
AfmtB1
]
Enable a black signal for audio only.
Disable black signal
E
B0AFMT
}
AfmtB2
]
Disable the black signal.
View black signal setting
E
BAFMT
}
AfmtB
X#]
View the black signal setting.
KEY:
X!
= Input video format
0
= auto (default)
1
= video
2
= S-video
3
= SCART
4
= YUV interlace
5
= RGB
6
= YUV
X@
= Detected video format
1
= video
2
= S-video
3
= SCART
4
= YUV interlace
5
= RGB
6
= YUV
X#
= Enable or disable
0
= off or disable
1
= on or enable (default)
X$
= Audio gain
0
to
24
in 1 dB increments (
0
= default)
X%
= Audio attenuation
-18
to
0
in 1 dB increments (
0
= default)
X^
= Audio level
-18
to
24
in 1 dB increments (
0
= default)
X&
= Black video signal resolution
2
= 720p @ 50 Hz
4
= 720p @ 60 Hz (default)
6
= 1080p @ 60 Hz
