Best Power Fortress 750 VA Guide D'utilisateur page 24

• When input voltage drops to 109, the Fortress begins to increase the output voltage.
• 120 is the nominal or expected input voltage.
• When input voltage rises to 130, the Fortress begins to decrease the output voltage.
• With 146 volts input or higher, the Fortress switches to battery power.
3. Use the appropriate table on the next page to decide which combination of settings you
need; note which LEDs must be lit for this combination. Then, press the button shown
briefly (about 1 second) to move to the next
combination of LEDs. If you hold the button in
longer than 10 seconds, the Fortress will save the
setting that is displayed. Continue pressing the button
until the proper LEDs are lit.
4. Once the correct LEDs are lit, continue to hold the
button for 10 seconds to save your changes. If the
Fortress is running on AC input power, the display will
change back to the percent of full load. The new values
will take effect after the display returns to normal
mode.
ENGLISH 22
Press this button
BRIEFLY to
scroll through the
settings.
Press this button
for 10 SECONDS
to save your
changes.