Series 2200 Programmable DC Power Supplies Reference Manual
Section 2: General operation
2200S-901-01 Rev. C / March 2016
2-15
110 V/220 V selector switch
The 110 V/220 V selector switch is located on the bottom of the instrument as shown in the following
figure.
Figure 5: Selector switch
Front panel operation
Within a few seconds after turning on, the power supply displays the actual voltage and current output
value on the display’s top line and the voltage and current settings on the bottom line.
You can enable or disable the output of the power supply from the front panel by pressing the
Output
On/Off
key. When the output is off, the
OFF
message displays to the right of the current and voltage
values.
The display shows the present operating status of the power supply with display messages. When the
power supply operates in constant voltage mode, the CV message displays. When the power supply
operates in the constant current mode, the CC message displays.
If the front panel was locked with a password, enter the correct password after you press a key (V-
set, I-set, Save, Recall, or Shift), then you can change the settings.
To cancel a function operation (V-set, I-set, Save, Recall, or Shift), press Esc.
