Delta DPS-400K User Manual page 117

When the screen above appears, it means that the UPS is in battery mode.
When the screen above appears, it means that the UPS is executing a battery test.
When the screen above appears, it means that the UPS is in ECO mode and the bypass
supplies power to the critical loads. Please see 8.7.2 Output Setup for ECO mode setup.
NOTE:
To ensure power supply quality, it is recommended that you set up the UPS in ECO
mode only when the line power is stable. Only maintenance personnel can set up
ECO mode.
6
U N I T : # 1.1
LOAD PROTECTED
ON BATTERY
BYPA.
MAIN
PRESS
7
U N I T : #1 .1
LOAD PROTECTED
BAT TEST
BYPA.
MAIN
8
U N I T : #1 .1
LOAD PROTECTED
ON ECO
BYPA.
MAIN
8-7
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TO BROWSE EVENT (004)
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2010 - 06 - 01
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8 LCD Display & Settings