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Serial Communication, cont'd
Command/response table for SIS commands
Command
Input selection
Select an input (audio and video).
Example:
Select an audio input.
Select a video input.
Video configuration (MLS 304MA inputs 3 and 4; or MLS 406/406MA inputs 4, 5, and 6)
Set the video signal type.
Example:
View the video signal type.
Example:
Audio gain/attenuation (per input)
Set a specific input's audio gain.
Example:
Set a specific input's audio attenuation.
Example:
Increment a specific input's gain.
Decrement a specific input's gain.
View a specific input's audio gain level.
Set current input's audio gain.
Set current input's audio attenuation. X% g
Increment current input's gain.
Decrement current input's gain.
View current input's audio gain level.G
N
The commands in this section are case sensitive.
Audio treble adjustment (global: applies to all inputs)
Set the treble level.
Example:
Increment the treble level.
Decrement the treble level.
View the treble level.
Audio bass adjustment (global: applies to all inputs)
Set the bass level.
Example:
Increment the bass level.
Decrement the bass level.
View the bass level.
Audio mute (overall: amp and preamps)
Mute on
Mute off
View the audio mute status.
Volume adjustment (overall: amp and preamps)
Set the overall output volume.
Example:
4-4
MLS 304 Series, MLS 406Series • Serial Communication
ASCII Command Response
(host to switcher)
(switcher to host)
X! !
Chn X! ]
6!
Chn6 ]
X! $
Aud X! ]
X! &
Vid X! ]
X@*X#\
Typ X# = ____]
4*1\
Typ1=Vid]
X@\
Typ X# = ____ ]
4\
Typ1=Vid ]
X**X$ G
InX*Aud=X$ ]
5*9G
InX*Aud=+09 ]
X** X% g
In X* Aud= X% ]
4*12g
In4 Aud=-12 ]
X**+G
In X* Aud= X$ ]
X**-G
In X* Aud= X$ ]
X**G
In X* Aud= X$ ]
X$ G
In X* Aud= X$ ]
In X* Aud= X% ]
+G
In X* Aud= X$ ]
-G
In X* Aud= X$ ]
In X* Aud= X$ ]
X( >
Trb=X( ]
2>
Trb=-7.5 ]
+ >
Trb=X( ]
– >
Trb=X( ]
>
Trb=X( ]
X( <
Bas=X( ]
10<
Bas=+4.5 ]
+ <
Bas=X( ]
– <
Bas=X( ]
<
Bas=X( ]
1Z
Amt1 ]
0Z
Amt0 ]
Z
Amt X& ]
X1) V
Vol X1) ]
27V
Vol027 ]
Additional description
Select input X!
.
(audio and video)
Example: select input 6.
Select input X! audio only.
Select input X! video only.
Set the input signal type for input
X!. (Type = Vid or RGB)
Example: set input 4 to S-video or
composite video.
Show the video signal type
Example: show input 4 video type.
Set a single input's gain (in dB).
Example:
set input 5's gain to +9 dB.
Set an input's attenuation (in dB).
Example:
set attenuation to -12 dB.
Increase an input's gain by 1 dB.
Decrease an input's gain by 1 dB.
Show an input's audio level.
Set the current input's gain (in dB).
Set attenuation (in dB).
Increase the gain by 1 dB.
Decrease the gain by 1 dB.
Show the audio level.
Set the global treble level.
Example: set treble to -7.5 dB.
Increase the treble by 1.5 dB.
Decrease the treble by 1.5 dB.
Show the current treble level.
Set the global bass level.
Example: set the bass to +4.5 dB.
Increase the bass by 1.5 dB.
Decrease the bass by 1.5 dB.
Show the current bass level.
Mute all
(fixed, variable, and amplified)
audio outputs.
Unmute all audio outputs.
Show the status of audio mute.
Specify the volume for the audio
output.
Example: set volume to 27.
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