DC Power Supply Operation 3 
Basic Operation
U3606A User’s and Service Guide 75
Supplying constant voltage
1 Press  Voltage to select the constant voltage mode. When the U3606A is 
operating in constant voltage mode, the CV annunciator on the front 
panel is illuminated.
2 The output voltage can be programmed when the output is enabled 
(OUT) or disabled (SBY). Ensure that the CV annunciator is flashing. 
(Press  Voltage again if it is not.)
3 Press   or   to select which digit position to be changed.
4 Press   or   to increase or decrease the value.
5 Press  Voltage again, Shift > Save, or Shift > Exit to save the changes and 
exit the edit mode.
6 Press   to regulate the output voltage.
The output voltage is limited by the range selected. Press Shift > Range to 
select an appropriate range. You can only select a range when the output 
is disabled (the SBY annunciator is illuminated).