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SIS
™
Programming and Control, cont’d
MVX Plus 128 VGA Matrix Switchers • Programmer’s Guide
4-8
PRELIMINARY
Command/response table for SIS commands (continued)
Command ASCII command
(host to switcher)
Response
(switcher to host)
Additional
description
Digital Sync Validation Processing
List individual sync
frequency
X!
LS
X1%
,
X1%]
Listed as H freq., V freq.
Example:
2LS
031.50
,060.00
]
Input 2 frequency is 31.5
kHz horizontal and 60 Hz
vertical.
N
The matrix switcher returns 000.00
,000.00 if there is no connection or sync frequencies are not applicable.
Video mute commands
RGB mute
X#
*1B Vmt
X#
*1
]
Mute output
X#
RGB
(video off).
RGB unmute
X#
*0B Vmt
X#
*0
]
Unmute output
X#
RGB
(video on).
Read RGB mute
X#
B
X(]
1 = mute on, 0 = mute off.
Global RGB mute 1*B
Vmt1
]
Mute all RGB outputs.
Global RGB unmute 0*B
Vmt0
]
Unmute all RGB outputs.
RGB delay
Set RGB delay
EX#
*
X1#
D
}
Out
X#•
Dly
X1#]
Example:
E
13*7D
}
Out13
•
Dly07
]
Set the RGB interval for
switches to output 13 to 3.5
seconds (7 x 0.5 seconds).
Read RGB delay
EX#
D
} X1#]
Example:
E
14D
}
05
]
Output 14 interval is 2.5
seconds
(5 x 0.5 seconds).
Audio input gain and attenuation
N
The set gain (G) and set attenuation (g) commands are case sensitive.
Set input audio gain to +dB
value
X!
*
X%
GIn
X!•
Aud
X$]
Example:
1*2G
In01
•
Aud+02
]
Set input 1 audio gain to
+2 dB.
Set input audio attenuation
to -dB value
X!
*
X%
gIn
X!•
Aud
X$]
Increment gain
X!
+G In
X!•
Aud
X$]
Increase gain by 1 dB.
Example:
5+G
In05
•
Aud+03
]
Audio input 5 level
incremented from +2 dB to
+3 dB.
Decrement gain
X!
-G In
X!•
Aud
X$]
Decrease gain by 1 dB.
Example:
7-G
In07
•
Aud-09
]
Audio input 7 level
decremented from -8 dB to
-9 dB.
Read input gain
X!
G
X$]
Audio output volume
N
The table on page 4-9 defi nes the value of each audio volume step.
Set the audio volume to a
specifi c value
X#
*
X&
V Out
X#•
Vo l
X&]
Example:
1*50v
Out01
•
Vol50
]
Set output 1 volume to 79%.
Increment volume
X#
+V Out
X#•
Vo l
X&]
Increment volume by 1 step.
Example:
1+V
Out01
•
Vol51
]
Decrement volume
X#
-V Out
X#•
Vo l
X&]
Decrease volume by 1 step.
Read output volume
X#
V
X&]