IP & Port apply to all PlayGrid buttons. Per-button: set the OSC address below. Full address scheme

Per-channel (n = 1…8): /pg/ch/n/play|pause|stop|cue|next|prev|nextBlock|loop|fade
Global: /pg/all/stop|play|loop|shuffle|record|stream
For channels 2-8 with non-Play commands, type the address directly in the field above (e.g. /pg/ch/5/fade).