10 Monitoring SpO2
179
Smart Alarm Delay Dynamics
1 First trigger point - with the smart alarm delay setting "medium", the low alarm is triggered 12
seconds after the SpO
2
value has fallen below the low limit.
A -
** SpO₂ Low alarm
2 Second trigger point - with zero desat delay, the alarm is triggered as soon as the SpO
2
value falls
below the desat limit.
B -
*** Desat alarm
As long as the SpO
2
value stays in the shaded zone, the low alarm is delayed.
Setting Smart Alarm Delay Mode
To set the mode for Smart Alarm Delays, in the Setup SpO₂ menu:
1 Check that SmartAlarmDelay is set to On.
This setting is made in Configuration Mode and will be shown in the menu in gray. If it is set to
Off, a standard alarm delay is in use.
2 Select High Alarm Delay and choose Short, Medium, or Long mode.
3 Select Low Alarm Delay and choose Short, Medium, or Long mode.
If you also use monitors with earlier software revisions, be aware that smart alarm delays will not be
used after a transfer to one of these monitors. Monitors with earlier software revisions will always use
the standard alarm delay. If you are not sure whether a monitor has the Smart Alarm Delay function,
check whether there is a
SmartAlarmDelay entry in the Setup SpO₂ menu.
%SpO
2
low limit
desat limit
time (s)
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