Battery Backup Power BBP-AR-2000-PSW-ONL User Manual page 29

4.3.3 UPS Default Settings and their alternatives
4.3.3.1 Make sure the UPS is not "On". Press the On
keys simultaneously for approximately three seconds. The buzzer
will sound twice, and the LCD will display figure Q1, indicating that the
UPS is in setting mode.
4.3.3.2 To scroll through the options refer to section 4.3.2.6.
4.3.3.3 Except for Buzzer (figures Q1 and Q2) and Self-test (figures R1 and R2)
all of the other default settings may be changed by pressing the scroll up
key.
4.3.3.4 Figures S1 and S2 indicate the bypass input acceptable window. It
follows the inverter output voltage. Please refer specification for the
detail.
4.3.3.5 Figure T indicates the bypass frequency window of the Inverter Output.
The acceptable setting values are ±3 Hz and ±1 Hz.
4.3.3.6 Figure U indicates the acceptable Inverter Output Voltage. Possible
values are 100, 110, 115, or 120 VAC.
4.3.3.7 Figures V1, V2, V3 and V4 indicate the operation modes of the UPS.
Possible values are Online, Eco (Economical) mode, fixed 50 Hz Output,
and fixed 60 Hz Output.
4.3.3.8 Figure W indicates the adjustment of the Inverter Output, which may be
set to 0%, +1%, -1%, +2%, -2%, +3%, or -3%.
4.3.3.9 After changing settings you must scroll to the "End" screen (figure X)
and then press the enter key to save all of your changes.
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and scroll down