User manual
4REA4 Controller Software User Guide 
34 
V1.30 
Aux and FX sends – Displays routing and assignments of Input channels, FX Returns and Groups to the 
selected Mix. 
 Sends overview – Sends from Inputs, FX Returns and Groups are shown as a purple bar if post-
fade, as a red bar if pre-fade. The bar is filled in if the channel is assigned to the Mix, the outline only is 
shown otherwise. Use the tabs on top to display Inputs, FX Returns or Groups. 
 Mix Source – The point within the channel signal path that feeds the selected Mix is set globally for 
each Mix using this drop-down menu. It can be set to Post Gain, Post Insert A Return, Post EQ, or Post 
Delay. 
 Routing controls – Scroll in this area or click in the overview area to navigate the controls. Click 
On/Off to toggle the channel assignment to the Mix. Click Pre/Post to switch the channel send pre-fade or 
post-fade. Click and drag a rotary control to adjust the channel send level. Click and drag on a Pan control to 
adjust the channel send Pan (stereo sends only). 
Matrix sends – Displays routing and assignments of Groups, Aux and Area Out mixes to the selected 
Matrix. 
 Sends overview – Sends from Groups, Aux and Area Outs are shown as a purple bar if post-fade, 
as a red bar if pre-fade. The bar is filled in if the Mix is assigned to the Matrix, the outline only is shown 
otherwise. 
 Routing controls – Scroll in this area or click in the overview area to navigate the controls. Click 
On/Off to toggle the Mix assignment to the Matrix. Click Pre/Post to switch the send pre-fade or post-fade. 
Click and drag a rotary control to adjust the send level. Click and drag a Pan control to adjust the send Pan 
(stereo Matrix only). 
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