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A - 42 | Airvo 3 - USER MANUAL
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9.5 Alarm and measurement settings
To change pulse oximetry alarm thresholds and settings:
1. Tap to open the system menu,
2. Select Pulse Oximeter Alarms and Settings,
3. Tap the desired setting, scrolling if necessary,
4. Use the + / – buttons to select the required value,
5. Tap Confi rm to apply the change or Cancel to discard any changes and return
to the settings list.
Tap Back twice to return to the Home Screen when you have fi nished making
changes.
All settings are persistent and will retain their previous value when the Airvo 3 is
turned on and Same Patient is selected. Selecting New Patient when reviewing
the disinfection state applies the default values for its intended clinical
environment to all alarm and measurement settings.
Refer to the troubleshooting section for troubleshooting SpO
2
measurements and
general device alarms.
Label Description Factory default Range
Low SpO
2
Alarm
1, 2 Threshold for SpO
2
Low alarm 85% 1–98%
3
High SpO
2
Alarm
2
Threshold for SpO
2
High alarm Off Off , 2–99%
3
SpO
2
Alarm Delay
Delay before audible Low SpO
2
or High SpO
2
alarm
15 seconds 0, 5, 10, 15 seconds
Averaging Time
The number of pulses to average over 8 beats 4 or 8 beats
1.
The minimum threshold may be set when the device is set up for its intended clinical environment. Refer to the
Airvo 3 Technical Manual for details.
2.
The high alarm threshold cannot be set below the low alarm threshold.
3.
The alarm threshold can be changed in 1% steps.
Caution
Setting extreme alarm thresholds can render alarms useless and may lead to patient injury.
Inspect the sensor application site at least every 6 to 8 hours to ensure correct sensor alignment and skin integrity. Patient sensitivity may
vary due to medical status or skin condition. Discontinue use of adhesive tape sensors if the patient exhibits an allergic reaction to the
adhesive material.
4
1
2
5
3
Warnings
Periodically reposition the sensor to help prevent ischemia.
If any measurement seems questionable, fi rst check the patient’s vital signs by alternate means. Then check the pulse oximeter USB
connector, adapter, sensor, and Airvo 3 for proper operation.
Warning
Using diff erent alarm settings on devices within a single area, such as an intensive care unit, can cause a hazard.