User guide
SMX System MultiMatrix Switcher • SMX Control Software 66
•  Audio-Input Gain settings — Select this to change 
the audio gain (0.5 dB steps) for all or single inputs.
To change the gain, pick an input (or All) and use the 
adjustment arrows to raise or lower the gain.
NOTE:  Click on the applicable Changes radio 
buttons to have any changes either 
immediate or verifiable. 
Verify (default setting) accepts changes 
after the Take button is pressed.
Immediate accepts changes instantly. 
The Take button is removed.
•  Click Take (if visible) to accept the changes. 
•  Click Use Defaults to set the selected input to the default setting.
•  Click Cancel Change to return the gain to the previous setting.
•  Audio Output Volume settings — Select this option to change the audio volume 
(in 1% steps) for all or single outputs.
To change the volume, pick an output (or All) and raise or 
lower the volume slider.
NOTE:  When an RGB input is connected, this menu 
also shows the RGB delay settings (see RGB 
Delay settings on page 65).
Click 
Close to exit the window.
To mute video or audio output, select either check box in the Mute box per selected 
output number (or All). 
•  Mute Output settings — Select this option to mute any or 
all video or audio outputs.
To mute a video or audio signal, select an output (or All) 
and check the video or audio mute box. The output is now 
muted, and the output box in the main window indicates 
the mute status.
Click Close to exit the window.
NOTE:  When an RGB input is connected, this menu also shows the RGB Delay 
settings (see RGB Delay settings on page 65).
•  HD-SDI Re-clocker Rate settings — Select this option 
to reset the reclocking rate for HD-SDI inputs. The Re-
clocker rate sets the outputs in sync with input signals.
If an audio board is set to the plane address, a slider will 
become available for volume adjustment in this dialog 
box.










