PWM Control Charger Adjustable Loading Timer Adjustable Light On + Light Off Timer 12Vand 24V Battery Auto sensing ... or Off.Pressing the power button for about 3 seconds, the figure LED will display “0”, then ... button, it indicates that the charger enters the timer setup state, at this state, every press of ... “0” to “F”, every figure indicates the timer of the load, for example, if you change ...