Extron electronics MPX Plus 866 A Setup Manual page 17

Command
Video and audio mute commands
RGB/video mute
RGB/video unmute
Read RGB/video mute
Global RGB/video mute
Global RGB/video unmute
Audio mute
Audio unmute
Read audio mute
Global audio mute
Global audio unmute
View output mutes
Example:
N The "Mut" portion of the response appears only when the switcher is in Verbose mode 3. See the Verbose mode command on page 4-10.
X@
N = Output number
X$
= Mute
X%
= Video/audio mute:
Command
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
Example:
Set input audio attenuation to -dB
value
Increment gain
Example:
Decrement gain
Example:
Read input level
X!
= Input number
N
X^
= Audio gain
X&
= Numeric dB value
X*
= Audio attenuation
ASCII command Response
(host to switcher) (switcher to host)
X@
*1B Vmt
X@
*0B Vmt
X@ X$]
B
1*B
Vmt1
0*B
Vmt0
X@
*1Z Amt
X@
*0Z Amt
X@ X$]
Z
1*Z
Amt1
0*Z
Amt0
E }
X%
1
VM
E }
VM Mut023010000000
01 – 12 (video mutes) or 01 – 06 (audio mutes)
0 = not muted, 1 = muted
0 = no mutes
1 = video mute
2 = audio left (AL) mute
3 = video and AL mute
ASCII command Response
(host to switcher) (switcher to host)
X! X^ X!
* G In
1*2G
In01•Aud+02
X! X* X!
* g In
X! X!
+G In
5+G
In05•Aud+03
X! X!
-G In
7-G
In07•Aud-09
X! X&]
G
01 – 14
0 – 24 (1 dB/step)
–18 to +24 (45 steps of gain or attenuation) (Default = 0 dB)
1 – 18 (1 dB/step)
Additional description
X@ ]
*1 Mute output
X@ ]
*0 Unmute output
1 = muted, 0 = not muted.
]
Mute all RGB outputs.
]
Unmute all RGB outputs.
X@ ]
*1 Mute output
X@ ]
*0 Unmute output
1 = muted, 0 = not muted.
]
Mute all audio outputs.
]
Unmute all audio outputs.
X%
X% X% ]
2 12
, , ... Each
output, starting from output 1.
]
Output 2 audio left is muted, output 3
video and both audio channels are muted,
and output 5 video is muted.
All other outputs are unmuted.
4 = audio right (AR) mute
5 = video and AR mute
6 = AL and AR mute
7 = video, AL, and AR mute
Additional description
X&]
•Aud
]
Set input 1 audio gain to +2 dB.
X&]
•Aud
X&]
Increase gain by 1 dB.
•Aud
]
Increase audio input 5 level from +2 dB to
+3 dB.
X&]
Decrease gain by 1 dB.
•Aud
]
Decrease audio input 7 level from -8 dB to
-9 dB.
X@
RGB (video off).
X@
RGB (video on).
X@
audio (audio off).
X@
audio (audio on).
response is the mute status of an