To reset to factory defaults, press and hold the [All On/Off] key when powering on the unit until the display shows
— The OVP and OCP are disabled.
— The OVP and OCP trip levels are set to maximum, 10% above the CV and CC rated values.
— All memory storage locations are cleared.
— The voltage limit value is set to 0 and the current limit value is set to the maximum rated value.
— The calibration data are not affected by the factory default reset.
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