The FTB Forum is now read-only, and is here as an archive.
To participate in our community discussions, please join our Discord! https://ftb.team/discord
The buttons aren't really documented but if you read through gregtech's site you can figure it out. He hasn't updated a tool tip for all the machines still in 1.4.7, I believe that some may be updated as of 1.5.2 beta releases. To use the a transformer upgrade you will need to shift + right...
