This isn’t an attempt to help as such, but to explain. Some components on PCBs age badly if not energised at intervals. This was brought home to me when I read of a ham radio (I’m a ham radio operator too) that behaved rather like your camera, just r...
Obviously.But. these things get accessed and read by others later on, looking for VALID related input. It’s for those that I submitted what I did. It’s an old enough set of principles, made ever-muddier by the idiotic over-labelling of cards even by ...
When it’s hardly a great strain to keep a couple of other cards about yourself while shooting, I can’t see what is the push to stuff in the largest cards that are reported as apparently workable by other amateur users… If canon found that their desig...