rohde & schwarz

Hello everyone, I have a R&S®RTM3000 scope. I can also provide a pdf with its specifications if needed. My problem is: I am supplying constant DC voltages to 4 channels of the scope. These are the voltages: 0.5, 1, 1.5, 2, 2.5, 3, 3,5 ,4 [V]. I am using "Mean Value" option in the scope to...