Chroma 62000D Series Operating And Programming Manual page 105

When conducting the APG current measurement calibration, each
calibration point has to enter at least 4 Arabic numerals to ensure the
power supply accuracy after calibration.
Calibration Procedure (Model 62180D-600):
In Calibration page, tap "Host V" to select APG I MEAS and list the APG current
1.
calibration items as shown in Figure 3-80.
Figure 3-79
Figure 3-80
Manual Operation
3-53