User manual

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4） In the emergency case, please cut off the connection from mains /
external battery / output immediately to avoid more risk or danger.
3.13 Buzzer indication summary in normal mode
Operating
mode
Load level Battery level Buzzer beep once
0~100% None
Line mode
>100% Every 0.5 sec
0~100% Every 2 min
Bypass mode
>100% Every 0.5 sec
0~100% 0~25% Every sec
0~100% 25%~100% Every 4 sec
Battery mode
/ Battery test
mode
>100% Every 0.5 sec