18 U8001A/U8002A User’s and Service Guide
3 Operations and Features
Constant Voltage Operation
The following steps show you how to perform the constant
voltage (CV) operation.
1 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 (Self- test is
not indicated at display).
• 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.
• The display shows “OFF”
2 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.
3 Adjust for the desired output voltage.
• Press on the “Voltage/Current” button. When seeing the
voltage value, “V” blinks, turn the knob to adjust for the
desired output voltage value.
4 Adjust for the desired current limit.
• Press on the “Voltage/Current” button. When seeing the
current value, “A” blinks, turn the knob to adjust for the
desired current 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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