The iron itself works great. The UI is insane, though: you'll want to keep the instructions next to the station in case you need to make any changes. However,

The iron itself works great. The UI is insane, though: you'll want to keep the instructions next to the station in case you need to make any changes. However, in practice you probably won't need to make changes much. I think the UI of the FX-888D was really designed for production environments, where managers set them for a certain setting and leave it there, and then prevent the operators from changing it.