Setting Activation Time - ResMed Astral Series Clinical Manual

Astral Disconnection Alarm
4. Connect patient to the ventilator and allow breathing to stabilise.
5. Check that the measured disconnection value is below the Disconnection Tolerance value.
6. Adjust the Disconnection Tolerance value based on patient dependency.
7. Press Apply to confirm settings.
Note: Setting the Disconnection tolerance too low may result in annoyance alarms and may render the alarm
ineffective.
To test the Disconnection Tolerance:
1. Ensure the patient is being ventilated with the appropriate therapy settings, circuit configuration,
patient interface and supplemental oxygen (if required).
2. Simulate disconnections to ensure the disconnection value exceeds the Disconnection Tolerance
setting. The value and icon will turn red.

Setting Activation Time

The Disconnection Alarm will only activate if the measured disconnection value is continuously greater
than or equal to the Disconnection Tolerance for the alarm activation time. If the monitored value drops
below the set Disconnection Tolerance during this time, the time to alarm activation will reset.
To set alarm Activation Time:
1. Press Activation Time.
2. Increase or decrease the time based on patient dependency and to take into account activities such
as speaking.
3. Press Apply to confirm your changes.
124