D/A K8055 Analog input inquiry

Kits
1

I would like to know The accuracy and resolution of
the Analog inputs of
USB INTERFACE CARD MODULE K8055

2

The resolution is 8 bits (256 levels) and the accuracy is based on component tolerances.
You can adjust the final accuracy using trimmer potentiometers RV1 and RV2.
The initial accuracy without adjustment is about +4…5%.