iCharger 4512DUO User Manual page 29

Calibration
Select SYSTEM MENU→Charger Setup→Calibration to enter the setup interface. User Calibration may result in large data
deviation, affecting normal use; so User Calibration is not suggested.
If the user select User Calibration, the User Calibration option changes to active status
If the user selects User Calibration, the corresponding message will appear in the interface after booting the charger, as
shown in the up picture above.
Select CH-1/2 Channel Calibration to enter the channel calibration interface, Select Other Variables Calibration to enter
the other variable calibration.
Channel Calibration
Other Variables Calibration
Dual Balance Charger/Discharger/DC Power
Output Current Calibration
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4512DUO