Operations and Features 3
Keysight U8001A/U8002A User’s and Service Guide 33
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.
5 Return to the meter mode.
– Press on the “Display Limit” button to return to the meter mode. The LIMIT 
annunciator will be turned off.
6 Enable the output.
– Press on the “Output On/Off” button to enable the output. 
– The OFF annunciator turns off and CV annunciator turns on.
– The display is now in meter mode.
Verify that the power supply is in constant voltage mode. Ensure that the 
constant voltage (CV) annunciator is on. If the constant current (CC) annunciator 
is on instead, choose a higher current limit.