I am new to flash and just bought the Xpro-N and a TT685N for my Nikon D750.
Have upgraded the firmware on both Godox devices, but cannot get the TT685 to trigger remotely.
The flash does fire on the D750 hot shoe.
The manuals are not as thorough as I would like and have searched all sorts of forums on what I may have missed in setting up.
Xpro Group A Channel 1 (or 11, or 24... have tried many). Group A set to TTL, Sync menu set to OUT.
TT685 Group A and matching channel
Have tried slave with lightening bolt icon and also slave with wireless icon.
Trigger button on Xpro, doesn't trigger TT685. Pressing the shutter doesn't trigger either.
Is there a step I have missed? I believe that if they are on the same Group/Channel it should fire.