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4.2.3 Battery mode
When operating in bypass mode set up through WinPower software, the display on the
front panel is show in the following diagram. The utility power indicator and the bypass
indicator are turn on. The load/battery capacity indicator will be turned on in accordance
with the load capacity connected. The UPS beeps every 2 seconds.
1. If the utility power indicator blinks, it shows that the voltage or frequency of the utility
power is out of the input range of the UPS or there are problems with reversed polarity
(L/N) of site wiring or disconnect to the ground for protection.
2. Other display on the front panel is same as those mentioned in normal mode.
3. When operating in bypass mode, the backup function of the UPS is not available and the
power used by the load is directly from the utility power via internal EMI filter.
4.3 Operating Instructions
4.3.1 Turning On and Completely Powering Down the UPS
Note
：
The battery is fully charged before delivery. However, storage and transportation will
inevitably cause some charge loss. Therefore, it is advisable to charge the battery for 10
hours before using it, so as to ensure adequate battery autonomy.
