The UltraSync BLUE is compatible with the H3-VR Handy Recorder and the latest firmware updates for the F8 (v6.0) and F8n (v2.0) MultiTrack Field Recorders. It will also be compatible with the new F6 MultiTrack Field Recorder on release.
Zoom have published supplementary manuals for each of these integrations, outlining how to connect the UltraSync ONE to each device.
Please select the device you are using, and follow the link to access the supplementary manual: