Back-UPS BE750G Series6
Voltage Sensitivity Adjustment
The Back-UPS detects and reacts to line voltage distortions by transferring to battery backup power to protect
connected equipment. In situations where either the Back-UPS or the connected equipment is too sensitive for the
input voltage level it is necessary to adjust the transfer voltage setting.
1. Connect the Back-UPS to a wall outlet. The Back-UPS will be in Standby mode, no indicators will be
illuminated.
2. Press and hold the
ON/OFF button for 10 seconds. The OnLine LED will illuminate alternately
green-amber-red, to indicate that the Back-UPS is in Program mode.
3. The Power On/Replace Battery LED will flash either green, amber, or red to indicate the current
sensitivity level. Refer to the table for an explanation of the transfer voltage sensitivity levels.
4. To select LOW sensitivity, press and hold the
ON/OFF button until the LED flashes green.
5. To select MEDIUM sensitivity, press and hold the
ON/OFF button until the LED flashes red.
6. To select HIGH sensitivity, press and hold the
ON/OFF button until the LED flashes amber.
7. To exit Program mode wait five seconds and all LED indicators will extinguish. Program mode is no
longer active.
LED Flashes Sensitivity Setting
Input Voltage Range
for Utility Operation Recommended Use
Green LOW 88 Vac to 142 Vac Use this setting with equipment that is less
sensitive to fluctuations in voltage or
waveform distortions.
Red MEDIUM
(factory default)
92 Vac to 139 Vac Use this setting under normal conditions.
Amber HIGH 96 Vac to 136 Vac Use this setting when connected equipment
is sensitive to voltage and waveform
fluctuations.
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