Conversely, step-down ratio insufficiency is compensated for by making the switching frequency during the step-down operation lower than the switching frequency during the step-up operation.
反之，通过根据升压时的开关频率来降低降压时的开关频率，可弥补 降压比的不足部分。
2
Press the "power switch" on front panel, can be step-by-step to switching the devices under controlled. Note: in this case, must be disabling the timer.