I have the same issue. After calibrating the DSO like 4 times, I cannot get a clear measure from a power supply at 5V. I always get ~1.8V difference, and what is worse, it seems to change after each restart.
I have the same issue. After calibrating the DSO like 4 times, I cannot get a clear measure from a power supply at 5V. I always get ~1.8V difference, and what is worse, it seems to change after each restart.