KStar 1K - Operating Modes; Line Normal Mode; Line Boost Mode

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3-5. Operating modes
Line Normal
Mode
When input AC mains is within
input range, UPS will work in line
mode, charge the battery and
protect the load.
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.