OPTI-UPS DS3000D(L) - Manual (Page 7)

12
activated only when the AC main
voltage is within the range of LO
(low) and HI(high). In this screen,
press Enter-key to enter the
following steps for LO/HI voltage
setting.
B. The cursor (→) will pop up to
indicate the item newly selected.
Press Enter-key to get the item of
LO or HI range the user want to
adjust.
C. Use Up or Down-key to adjust
the voltage (changing 1V by
every press). LO (low
rang):176V+/- 20V, HI(high
range):253V+/- 20V).
D. Once the value is confirmed,
press Enter-key again to save
the data.
13
Output Voltage & Frequency Adjust
A. In this screen, press Enter-key to
enter the following steps for
output voltage and frequency
adjustment.
B. The cursor (→) will pop up to
indicate the output voltage and
frequency newly selected.
C. Use Up or Down-key to adjust
the output voltage (220V, 230V,
and 240V ). Press Enter-key to
confirm voltage and then the
cursor will move to frequency
selection. The output frequency
(50Hz or 60Hz) can be adjusted
by the same key operation.
D. Once the correct voltage is
selected, press Enter-key again
to save the selection.