Alpha Technologies CFR 600, CFR 600XT, CFR 1000 - Manual (Page 46)

5.10 Maintenance Parameters
“MAINTENANCE PARAMETERS” allow you to customize UPS
detection and warning characteristics. Normally, there should be no need to
change these factory settings. CAUTION: If any of these parameters are
changed, it is vital to thoroughly test the UPS since an improper adjustment
can render the unit useless. Since each parameter is viewed through
reference numbers (1 - 16) and translated into a scale of “reasonable”
adjustments, an increase or decrease of 2 - 3 reference numbers will have a
noticeable affect. If you have questions, contact Alpha prior to making any
adjustment.
Fast Detect Lo Ref
Increasing this value will make the UPS more sensitive to a fast, low
amplitude line disturbance (glitch).
Fast Detect Hi Ref
Increasing this value will make the UPS more sensitive to a fast, high
amplitude line disturbance (spike).
Medium Detect Lo Ref
Increasing this value will make the UPS more sensitive to a slow, low
amplitude line disturbance (sag).
Medium Detect Hi Ref
Increasing this value will make the UPS more sensitive to a slow, high
amplitude line disturbance (surge).
Slow Detect Lo Ref
Increasing this value will make the UPS more sensitive to a slow, low
amplitude line disturbance (brownout) by raising the brownout detection level.
Note: The Slow Detect Hys Lo Ref should also be adjusted by the same
amount.
Slow Detect Hi Ref
Increasing this value will make the UPS more sensitive to a slow, high
amplitude line disturbance (sustained overvoltage) by lowering the overvolt-
age detection level. Note: The Slow Detect Hys Hi Ref should also be
adjusted by the same amount.
Slow Detect Hys Lo Ref
Increasing this value will raise the voltage level at which the UPS will
resume LINE POWER operation after a line disturbance has been corrected.
This setting should normally be 1 - 3 settings above the Slow Detect Lo Ref
setting.
Slow Detect Hys Hi Ref
Increasing this value will lower the voltage level at which the UPS will
resume LINE POWER operation after an overvoltage condition has been
corrected. This setting should normally be the same, or 1 - 3 settings above,
the Slow Detect Hi Ref setting.
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5. RS-232 TERMINAL COMMUNICATION
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