I also have a 0M-C that is acting strange. It won't allow me to edit any programs. The CAP soft key doesn't show up or the program list. I should be able to see the list of programs and hit "search" then the program number and input. At least that's how my other Miyano TSV's operate. This machine is new to me and someone may have tampered with the option parameters. Program protect key does toggle the correct bit. I have a 900 parameters list but there are a lot of blank spaces with no explanation. Any help would be greatly appreciated.