Technical data

Service Guide 5
U8001A/U8002A User’s and Service Guide 85
3 Middle current calibration point.
Display will show "C" blinking.
The M2 annunciator will be turned on.
Use the knob to enter the computed value (DVM
reading divided by shunt resistance).
Press the "Memory" button to save the changes and
move to the next calibration point. You will be able to
perform this if the power supply is in CC mode.
4 High current calibration point.
Display will show "C" blinking.
The M3 annunciator will be turned on.
Use the knob to enter the computed value (DVM
reading divided by shunt resistance).
Press the "Memory" button to save the changes and the
whole calibration process is done. You will be able to
perform this if the power supply is in CC mode.
5 Calibration done
Display will show “donE CAL”
The output is disabled and the OFF annunciator will be
turned on.
6 Reenter calibration mode
Press the “Memory” button to reenter the calibration
mode. The calibration will start with voltage calibration
mode.
7 Exit calibration mode
Turn off the power supply to exit the calibration mode.
8 Toggle between calibration modes
Along the calibration process, you can toggle between
voltage calibration mode and current calibration mode
by pressing the "Voltage/Current" button.