Automatic Battery Charger Specifications & User Manual Upper Bar (Increased) Timer Starting Display Key Bottom Bar (Decreased) Reset Key CPU Running Display Change: 1 second Increased/ Decreased change: 2 seconds Setting & Save: >3 seconds =Voltage =Amperage =Percent =AH =time =End time =hours =Pre-Charger Item Descriptions (Ver: 2.34) O/P Voltage "V": Preinstall demonstration. O/P Current "A": Press "Display Key" for 1 seconds while displaying "V" to display the O/P current (charging current) value.