Hi, I am sorry to hear that you are experencing problems 2) set_channel(A, enabled, DC,5V) ' data channel 3) set_channel(B, disabled, DC,5V) ' trigger channel 4) set_trigger(B, threshold, falling,delay=0) 5) run_block(count=15000,timebase=5) When switching the channel off it is set to 20V range, the...