Sensitivity

The Sensitivity parameter, available through UPS Operating Parameters..., defines how your UPS reacts to input voltage distortions, such as those caused by electromagnetic interference and radio interference.

At High, the default, the UPS switches to battery more often than for Medium and Low. For Matrix-UPS and Symmetra Power Array models, you can also select Auto Sensitivity.

If your UPS frequently switches to battery, try changing the Sensitivity value:

  1. Make sure the UPS-supported equipment has no open applications.

  2. Change the Sensitivity value to Medium or Low.

  3. Test the new setting by removing the input power from the UPS.

    Note:
    If your system does not reboot, the new setting is satisfactory. If the system reboots, reset Sensitivity to High. The equipment cannot tolerate more input line distortion.

See also High and Low Transfer Points for additional information on how to control the number of times your UPS goes on battery.