KStar 1K - Operating Modes; Line Buck Mode; Battery Mode

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Line buck
mode
When input AC mains is high ,
the UPS works in line buck mode,
charge the battery and protect the
load.
Battery
Mode
When input AC mains is output of
line range, the UPS works on
battery mode. The green LED is on
The yellow warning LED blink once
4 seconds and buzzer beep and if
the battery voltage is low , blink
once 1 seconds and buzzer beep.
Line Boost
mode
When AC is low , the UPS works in
line boost mode, charge the
battery and protect the load.There
are two boost stages.