Great it works, thank you for your support. But now I have one additional question. When you say that ps5000SetChannel (handle, PS5000_CHANNEL_B, 0, 1, PS5000_20V); make the channel settings. Are these lines unit->channelSettings[0].range = 3; unit->channelSettings[0].enabled = TRUE; unit->channelSe...

… I want to use the full 128 MSamples. … … You cannot achieve this in PicoScope 6 as half the memory is used as a buffer. However if you wish to write your own software you can achieve this (there will be some small ovehead), also if you download the SDK there is a programming example that do...