Tripp-Lite SMX Serie Manual De Operación página 13

Basic Operation
continued
Power Sensitivity Adjustment: This dial is normally set fully counterclockwise,
which enables the UPS to protect against waveform distortions in its AC input.
When such distortion occurs, the UPS will normally switch to providing PWM
sine wave power from its battery reserves for as long as the distortion is present.
NORM DELAY
In areas with poor utility power or where the UPS's input power comes from a
backup generator, chronic waveform distortion could cause the UPS to switch
to battery too frequently, draining its battery reserves. You may be able to
reduce how often your UPS switches to battery due to waveform distortion by
experimenting with different settings for this dial. As the dial is turned clockwise,
the UPS becomes more tolerant of variations in its input power's AC waveform.
Note: The further the dial is adjusted clockwise, the greater the degree of waveform
distortion the UPS will allow to pass to connected equipment. When experimenting with
different settings for this dial, operate connected equipment in a safe test mode so that the
effect on the equipment of any waveform distortions in the UPS's output can be evaluated
without disrupting critical operations.
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