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CVCF mode
Description
When the output frequency is set to “CF”, the inverter will output constant
frequency (50 Hz or 60 Hz). In this mode, the UPS will have no bypass
output but still charge the battery.
LCD display
Battery mode
Description
When the input voltage/frequency is beyond the acceptable range or power
failure, UPS will back up the power from battery and alarm will beep every 4
seconds.
LCD display