hi David G4RVH,
?
Congrats for having now a fully functionable ATU... built from scratch!?
One, not very important thing: your display is shifted 1 point up! You can correct this by correcting the content of cell 7 with plus 1, i.e. if you have zero (0) than you should put one (1)...
?
73, Immo
Immo, DL5KB