docs.smarttech.com/kb/171897 37
Change Asyncronous message
Display power state
#powerstate=[Value]
Where [Value] is one of the following:
l
on
l
standby
l
off
Input selection
#input=[Value]
Where [Value] is one of the following:
l
hdmi1
l
hdmi2
l
hdmi3
l
hdmi4
l
vga1
l
ops1
l
usbc1
l
usbc2
l
android
Brightness
#brightness=[Value]
Where [Value] is a number between 0 and 100
Freeze frame
#videofreeze=[Value]
Where [Value] is one of the following:
l
on
l
off
Screen shade
#screenshade=[Value]
Where [Value] is one of the following:
l
on
l
off
Volume increase or decrease
#volume=[Value]
Where [Value] is a number between 0 and 100
Volume mute
#mute=[Value]
Where [Value] is one of the following:
l
on
l
off
Appendix A Managing the display using RS-232
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