Set Sample Rate and Sync

1. Open Session Settings in PatchMix DSP.
2. Set the sample rate (44.1kHz - 192kHz).
3. If using external digital devices, ensure 'Sync Mode' is set to receive clock from the appropriate source (ADAT or S/PDIF).
4. Ensure 'Sync/Sample Rate Indicators' show 'LOCKED'.

Source: 1616M — 1616m-1212m-pcie-manual-en (manual)