to record directly over usb connect a usb flash drive or ssd to the usb-c port. if using an ssd you will need to power it externally.
select disk from the TX–6 menu. when on the disk page use FX I and FX II as play and record buttons.
press record to go to record mode. press again to start recording, or hold shift and press record to set it to auto start as soon as audio is detected.
additional TX–6 resources: