- Connect external clock source (Word Clock or S/PDIF) to the hardware.
- Open PatchMix DSP Session Settings.
- Select the System tab.
- Select "External" for Internal/External Clock.
- (Optional) Select source in External Clock Source menu.
- Confirm "LOCKED" LED is lit on the PatchMix DSP mixer.
Source: 0404 — c381e6cd_0404_Manual(JP) (manual)_
