Programmer’s Guide, cont’d
TPX 88 Matrix Switchers • Programmer’s Guide
4-6
Command/response table for SIS commands (Cont’d)
Command
ASCII Command Response
Additional description
(host to switcher)
(switcher to host)
Audio input gain and attenuation
The set gain (G) and attenuation (g) commands are case sensitive.
Set audio input gain
to +dB value
X1
*
X5
G
In
X1
•Aud
X4
Example:
1*2G
In01•Aud+02
Set input 1 audio level to +2 dB
gain.
Set audio input attenuation
to -dB value
X1
*
X6
g
In
X1
•Aud
X4
Example:
3*5g
In03•Aud-05
Set input 3 audio level to -5 dB
attenuation.
Increment gain
X1
+G
In
X1
•Aud
X4
Increase gain by 1 dB.
Example:
5+G
In05•Aud+03
Audio input 5 level incremented
from +2 dB to +3 dB.
Decrement gain
X1
-G
In
X1
•Aud
X4
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
X1
G
X4
Example:
2G
+11
Input 2 audio level is +11 dB
gain.
Audio output volume
The adjustment range is between 0 and 100% audio output volume in 1 dB steps of attenuation.
Each 1 dB equals approximately a 2% reduction in audio output volume.
Set audio volume
to % of max. value
X3
*
X7
V
Out
X3
•Vol
X7
Example:
1*50v
Out01•Vol50
Set output 1 volume to 50%.
Odd-numbered
X7
values are rounded up to even-numbered values.
Increase volume
X3
+V
Out
X3
•Vol
X7
Increase volume by 2%.
Example:
1+V
Out01•Vol52
Audio output 1 level
incremented from 50% to 52%.
Decrease volume
X3
-V
Out
X3
•Vol
X7
Decrease volume by 2%.
Example:
1-V
Out01•Vol50
Audio output 1 level
incremented from 52% to 50%.
Read
output volume
X3
V
X7
Example:
V
Vol50
Audio output 1 level is 50%.
Audio mute commands
Audio mute
X3
*1Z
Amt
X3
*1
Mute output
X3
audio (audio
off).
Example:
3*1Z
Amt03
Mute output 3 audio.
Audio unmute
X3
*0Z
Amt
X3
*0
Unmute output
X3
audio (audio
on).
Read audio mute
X3
Z
X8
1= mute on, 0 = mute off.
Global audio mute
1*Z
Amt1
Mute all audio outputs. The
front panel Mute All LED lights.
Global audio unmute
0*Z
Amt0
Unmute all audio outputs. The
front panel Mute All LED goes
out.
Summary of Contents for TPX 88
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