Service Guide 5
U8001A/U8002A User’s and Service Guide 65
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.
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