20 U8001A/U8002A User’s and Service Guide
3 Operations and Features
Constant Current Operation
The following steps show you how to perform the constant
current operation.
1 Short the binding posts.
• Press on the “Power” button to turn off the power supply.
• Connect a short circuit between the positive (+) and
negative (—) binding posts.
2 Turn on the power supply.
• Press on the “Power” button to turn on the power supply.
The power supply will then perform a self- test.
• The display turns on all segments and shows the firmware
version briefly after that.
• The output is disabled by default.
• The OFF annunciator turns on.
3 Set the display to the limit mode.
• Press on the “Display Limit” button in order to turn on the
LIMIT annunciator.
• The display will show the voltage and current limit values.
4 Adjust for the desired voltage limit.
• Press on the “Voltage/Current” button. When seeing the
voltage value, “V” blinks, turn the knob to adjust for the
desired voltage limit value.
When you press on the Display Limit button, the voltage and current limit
values will be shown on the display for about five seconds. If there is no
activity detected, the display will return to meter view mode.
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