Hello Folks,
I am just starting to use my Quad for the first time as a tool to measure some I2C signals from sonar device. I am seeing a lot of flicker on the screen at 20usec/Div and the system only triggers about 1 time in 5 at 10usec/Div. I am using channels C/D for inputs. Channels A/B just gave me a badly slewed wave that was all but useless to read.
I was also wondering why there is a threshold on the trigger for C/D since they only show as logic 0/1 with a single Div difference. The only sensible trigger for these inputs it leading/falling edge. It gets confusing when you switch between trigger sources C/D only to find that the trigger level is set outside the signal level that you have no control over.
Since the inputs C/D have no signal processing like A/B I can only assume that the firmware is missing trigger events on these channels. I would be expecting to be able to see a 10 meg bandwidth at the very least on these inputs. Perhaps someone can look at the trigger logic for the digital inputs
Cheers Pete.