5 Service Guide
78 Keysight U8001A/U8002A User’s and Service Guide
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.
5Calibration 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.
7Exit 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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