Hi I was recently trying to do exactly the same thing (but eventually decided to rely on pico_status) However- the ps4000 manual (page37) does mention a command called "ps4000IsTriggerOrPulseWidthQualifierEnabled" I tried this, but 'triggerEnabled' always returned as zero, regardless of whether or n...

Ah- while my status variable was set okay (integer), some of my other data types were wrong- I was using longs where i should be using integers. Turns out you were right with your first reply!
Thanks for the help

Yes, I've tried changing the segment index- although now it needs to be "Convert.ToUIint16(0)" rather than just "0"...

No difference though.

Okay, I've updated all of the data types to those specified in the ps4000pg.pdf and I've also ensured that I have updated the appropriate "byval"s to "byref"s to update to .net, but I still get pico_status = 38 I may have been mistaken in saying that this corresponded to "The memory index is out of ...

Hi I am trying to run a 4424 over vb.net, but when I call ps4000_GetTimebase, the PICO_STATUS returns the error code 38 (or 26hex), apparently meaning "The memory index is out of range" What does this mean, and what can I do about it? The values returned by GetTimebase(handle,timebase,samples,time_i...