User manual

PCI-1713 User Manual 22
2. Adjust VR4 until | V1 – V2 | < 0.05mV. For example, if the V1 is
0.1mV in the beginning and you get V2 as 0.02mV after adjusting
the VR4, you have to adjust the VR4 again.
3. Input -5V to AI0 by signal generator and check if the "Decimal"
flickers between 0 and 1. For example, it is 3 for my calibration, so
I have to adjust the VR2.