Quick Class Configurations Quick Class configurations are parts of a configurations provided by SKAARHOJ that work with a Quick Bar and Selected controllers that have a section of 6 4-way buttons.  To use them in Reactor, select a configuration supporting Quick Class for your panel, then fill the Quick Class selector with devices you want to control. This controllers have already configurations supporting Quick Class : Air Fly Air Fly Pro (v1, v2 and v3) Master Key One (v1 and V2) Mega Panel (MK48) PTZ Extreme Quick Shot Quick Pad Quick Bar