Thanks for the suggestion. I tried increasing the sample rate and turning off decoding during capture on my 2405A but that did not help.

Is there a way to improve PS2 keyboard decoding please? The attached segment is from a working keyboard and PC. This is just one example, sometimes a second capture will give the correct information. The PC sends $F5, the keyboard returns $FA, the next packet from the PC is not decoded but is clearl...

Thanks Martyn, I will have a look later.

I did manage to do it by saving a good capture to compare against and opening the saved file in a separate window but trying to find few microsecond errors in a ten second capture was a real pain.

Help please.

Is it possible to capture and freeze synchronous information on CH1 and CH2 then repeat the same thing for CH3 and CH4 so that the two can be compared to see what is missing.

I need to capture the first few seconds from one device then compare with the second device to find an error.