Dell UPS 3750R - Manual (Page 28)

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Operation
Transferring from Bypass to Normal Mode
To transfer from Bypass to Normal mode:
1 Press the button for one second to go to the main menu selection and scroll down to the
Control menu using the button.
2 Press the button to enter the Control menu.
3 Select Go to Normal.
The text on the screen changes to Normal Command Sent. The Normal mode icon flashes,
indicating Normal mode.
Setting Power Strategy
On the High Efficiency setting, the UPS operates normally on Bypass, transfers to inverter in < 10 ms
when utility power fails, and transfers back to Bypass in one minute after utility power returns. The
Bypass mode status icon box appears on the UPS status summary screen when the UPS transfers to
Bypass.
NOTE: High Efficiency operation is available after one minute of stable power.
To set the power strategy:
1 Press the button for one second to go to the main menu selection and scroll down to the
Settings menu using the button.
2 Press the button to enter the Settings menu.
3 Use the button to scroll to Power Strategy and press the button.
The current setting for the option flashes when selected.
4 Select High Efficiency, Normal, or Converter using the and buttons.
The default is High Efficiency.
5 Press the button to confirm.