Glen,
Thanks for the suggestions. The progress bar did move across the dialog, couldn't see it hit the end as it was too fast.
But I think I found the issue...? Scanned my OLED's and they are at 0x3C. Took a peak at the oled_control.h and the address used there is 0x78.
Looks like I got to read up on that thread about recompilation...
73
Mark
AJ6CU