Hello, I am trying to use the calibration wizard in the Device manager of WaveForms 2015 3.3.3. However when I get to the step to calibrate the oscilloscope where both P channels are connected to AWG 1 and both N channels are connected to ground, it gives a warning to check the connections.  It says: "Check the connections!! The measured voltage on Oscilloscope Channel 1 is between: 0V and 4.970276V (this number is slightly different every time) But it should be around: 5V It might be