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Programmer’s Guide, cont’d
TPX 88 Matrix Switchers • Programmer’s Guide4-6
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
GIn
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
gIn
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+11Input 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.