OPTI-UPS PS7500DL - Manual (Page 14)

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5 Battery Status Menu
6 V Output Power Menu 7 Temperature Menu
8 History Record Menu
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9.Output Voltage/Frequency Set Menu
A. In this screen, press on/off Control
Key to enter the following steps for
output voltage or frequency setting.
B. The cursor (→) will pop up to
indicate the output voltage or
frequency newly selected.
C. Use Up or Down-key to adjust the
output voltage (220V, 230V and
240V are available for 220V system;
100V, 110V, 115V and 120V are
available for 120V system) or output
frequency(50Hz and 60Hz are
available only)
D. Once the correct voltage or
frequency is selected, press on/off
Control Key again to save the data.