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3.3 Start the UPS with battery (DC source) only
This UPS can be started directly with DC source (battery), without AC
source.
1) Press the on/off button of the UPS front panel continuously for
more than 1 second. The buzzer will beep once, the numeric
area of LCD display will be lighted in sequence, after a few
seconds of self-diagnosis, the UPS will be turned to the battery
mode and feed the output power with constant AC voltage.
2) When the UPS enters battery mode normally, the Inverter LED,
and Battery LED will be on, the Bypass LED will off.
3) Press the battery test button for 0.5 second, UPS will show the
information on LCD display as followings in a circular order.
4) To remind, UPS is under battery mode, it would send out beep
once per 4 seconds, and user can enable/disable the buzzer by
pressing battery test button for 2 seconds.
