"Some cameras are not compatible with the MAX chip on the MinimOSD. perhaps thats your issue?
You could also try a LC filter after the BEC before the OSD."
"I found the video chip on the MinimOSD is very sensitive to voltage. I think anything below 4.9V and it resets itself. I add a big cap on input to the OSD, and never power it off the same 5V as servos, because they cause huge voltage spikes."
"Just got 12 modes onto one channel! I will use it for camera tilt, using three switches.
I used the flaps switch, plus F-mode and Elev D/R, with 2 mixes. Here is the monitor with the 12 positions marked. I was not as methodical as Bruce - I just…"
"Thanks for that Bruce. I was also soooo irritated by the DX7s not having backlighting, and one afternoon I had it open and stuck some in. Its not hard at all - here is a post about…"