23
At the power supply displayed
3.000A
&
20.00V
in the setting area of LCD, hold the
LEFT
or
RIGHT
arrow keys to move the cursors to left or right and push the
UP
or
DOWN
arrow keys to adjust the
values same as readings of external reference voltage meter, then click
ENTER
button to finish the
current gain calibration.
Push
OUT
button to exit and restart the power supply to complete the calibration function.