Njoy Ranger 30KR User Manual page 36

BATT VOLT: Battery voltage calibration. Click value columns and it

willpop up . Then, each click is 0.1% no matter it's pressing up or down
key . Press "up" key to increase 0.1% and press "down" key to decrease
0.1%. Press "OK" key to confirm the modification.
Line VOLT: Line voltage calibration. Click value columns and it will

pop up . Then, each click is 0.1% no matter it's pressing up or down
key . Press "up" key to increase 0.1% and press "down" key to decrease
0.1%. Press "OK" key to confirm the modification.
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VOLTAGE CALIBRATE Page3
VOLTAGE CALIBRATE Page 4