Arcus features a simple tabbed menu on a touchscreen panel, which eliminates a “sea of knobs” for basic functions such as setting talkback, configuring bus matrices, muting mic groups, and managing sources. The Arcus’s touchscreen interface that lets you use “pinching” and other familiar smartphone gestures to easily make changes. You can adjust audio EQ by moving a bargraph with your finger, or pinch the waveform to make it narrower.