Hi, Their are the channel settings that I use: [status.setChC] = invoke(ps5000aDeviceObj, 'ps5000aSetChannel', 2, 0, 1, 8, 0.0); [status.setChD] = invoke(ps5000aDeviceObj, 'ps5000aSetChannel', 3, 0, 1, 8, 0.0); [status.setResolution, resolution] = invoke(ps5000aDeviceObj, 'ps5000aSetDeviceResolution...