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7.9 Latching Alarms
The alarm latching setting for your patient monitor defines how the indicators of the
physiological alarms behave when you do not acknowledge them:
If you do not “latch” the physiological alarms, their alarm indications disappear when
the alarm condition ends.
If you “latch” the physiological alarms, all visual and audible alarm indications last
until you acknowledge the alarms, except that the measurement numeric and violated
alarm limit stop flashing as soon as the initial alarm condition goes away.
You can separately latch the visual indications or simultaneously latch the visual and the
audible indication.
When the visual indications are latched, the visual indications, including alarm lamp,
alarm message and its background remains when the alarm condition ends.
When the audible indications are latched, the monitor issues alarm sounds when the
alarm condition ends.
To latch a physiological alarm:
1. Select [Main Menu]ė[Maintenance >>]ė[User Maintenance >>]ėenter the
required password.
2. Select [Alarm Setup >>]ė[Latching Alarms>>].
3. In the [Latching Alarms] menu, select how you want to latch the alarms.
The rules for latching the alarms are:
You can separately select [Latching Visual Signal].
Selecting [Latching Audible Signal] simultaneously latches the visual signal.
Selecting alarms of lower priority simultaneously latches the alarms of higher priority.
NOTE
z Changing of alarm priority may affect the latching status of corresponding alarm.
Please determine if you need to reset the latching status for the specific alarm when
you have changed its alarm priority.
z When the alarm system is reset, the latched physiological alarms are cleared.
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