A. Select 'Narrow' setting for general electrical appliance: If you select this mode, the inverter operating voltage in Line mode is within 170~280Vac (90~145Vac) with the same output voltage. The line sensitivity is higher. Hence, you can connect the computer systems or other precision home equipment when you select this mode.B. Select 'Wide' setting to save energy: If you select this mode, the inverter operating voltage in Line mode will be extended within 90~280Vac (50~145Vac) with the same output voltage. The inverter is with the lower line sensitivity. Moreover, there will be taking a long transfer time when the inverter transfer from Normal mode to Battery mode during power failure. Hence, you can connect the home equipments, such as ligh bulb, fluorescent tube, or TV when you select this mode.Caution!! If you select the 'Wide' mode and connect the computer to the output of Inverter, the computer may reboot if the input voltage is too low to be accepted. In addition, the long transfer time will happen when power failure makes the computer reboot.
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