The following example of the Utility bar graph shows the transfer points:
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If your equipment can tolerate a wide voltage range, you may want to change the transfer point values to increase the voltage range your UPS accepts for on line operation. Do this by increasing the High Transfer Point value and, for a Smart-UPS or Back-UPS Pro, by decreasing the Low Transfer Point value.
See Sensitivity for information about how to further decrease the number of times your UPS switches to battery operation.