PRESONUS AudioBox Stereo Quick Start Manual page 174

Having created a Cue Mix output, you should see a special "Cue Mix" Send object in the
Console channels. In the Small Console view, Cue Mix objects appear in the far right column of
the extended channel. In the Large Console view, Cue Mix objects appear below the Send
device rack on each channel.
Each Cue Mix object features an Activate button, horizontal level and pan faders, and a Lock to
Channel button. When using a PreSonus FireStudio-series interface, on audio channels with an
assigned audio input, the Cue Mix object will also feature a Zero Latency switch, the function
of which is described below.
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