Honeywell RAEGuard 3 User Manual page 50

required low alarm value according to the LCD screen display prompt.
Low Alarm trigger direction: In addition to Oxygen, when other
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gases are detected, the Low Alarm trigger direction default is
"higher", indicating that if the gas concentration value detected by
the detector in real time is greater than the set Low Alarm threshold,
the Low Alarm relay will be triggered. Oxygen, the default is "below",
indicating that if the gas concentration value detected by the
detector in real time is less than the set low alarm threshold, the
Low Alarm relay will be triggered.
Note: Be careful when setting this parameter. Once the setting is wrong,
there may be no alarm, which will lead to serious accidents!
Low Alarm latch state: The default is "non-latching"，indicating that
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after the Low Alarm occurs, if the concentration value detected by
the detector in real time is lower than the under-reporting threshold,
the Low Alarm relay and Low Alarm LED indicators will return to
normal; if it is "latching", indicating that if the concentration value
detected by detector in real time is lower than the Low Alarm
threshold value, the Low Alarm relay, Low Alarm LED indicator s and
LCD Low Alarm latch icon
can be reset by "Alarm Latch Reset" in "View Mode" to return to the
normal detection mode. See section 12.1 for details.
Low Alarm relay: The default is "energized".
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RAEGuard 3 User Manual
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will remain unchanged status, which
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