On / Off Key
On / Off key is used to enable / disable the output of the power supply from the
front panel. By pressing On / Off key, you alternate these two states: output on
/ output off.
When the output is off, power supply displays:
The indicators according to power supply’s state will also be displayed (e.g.:
ovp, err indicators).
When output off, output voltage is 0 V. So this command permits a zero output
voltage without switching off the power supply.
When output off, knob is disabled, to prevent the unwanted changes in voltage
and current values. The keys from the front panel are not disabled. You can
also go to limit mode and set limit values for voltage and current. In this case
both lmt and off indicators will be displayed.
When output off, by pressing On / Off key, the output is enabled. The power
supply will go to normal mode of operation (voltage and current measured
values are displayed) or to limit mode of operation (voltage and current limit
values are displayed), depending on the state the power supply was before
disabling the output.
The output state of the power supply is one of the parameters stored in non-
volatile memory for each state .
Output off
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