Hi Chris, I use a picoscope 4227. When I send a TTL signal on the EXT input with a 0.5V high level to begin analog signal acquisition on the A or B input, it doesn't work. If the high level value is higher (1 to 4 Volts for example), the trigger works well. I suppose that the problem comes from the ...

Hi, I'd like to know if the picoscope 4227 can produce an internal trigger with the "ps4000SigGenSoftwareControl" function called by the "ps4000.dll" library. Must this internal trigger be used to trigger the start of the built-in generator or to trigger the data acquisition (on channels A, B) ? Tha...