Yes. In Native Mode with Studio One and Non-Native mode, ATOM SQ has a built-in sustain feature that is offered in the Keyboard orientation mode. To use this, follow the steps below:
- Connect ATOM SQ to you computer via USB
- Press the Inst menu button
- Press the Pads button until Key is selected
- Press and hold the A button while playing the pads to enable sustain
However in Native Mode with Ableton Live, there is no sustain implemented for Ableton 10.1.30 or for Ableton 11.