Hi guys:
Thanks to asr, it was found I never added ability to transfer fuel between main tanks, only from 2 to 1 or 3 inners.
Now you can transfer with:
1 inner to 2
1 inner to 3 inner
2 to 1 inner
2 to 3 inner
3 inner to 1 inner
3 inner to 2
How to do it? Turn on "FILL" on the tank you want to fill, "ARM" will appear. Then turn on "TRANS" on the tank to take fuel from, and you will see the FILL light change from "ARM" to "FILL" and the fuel is moved.
Kind Regards,
Josh