624074/07 4-3
4.2 Pre-operational checks
WARNING
DO NOT perform this check while a patient is
connected to the ventilator. Ensure that another
source of ventilatory support is available.
NOTE:
Ensure that O
2
monitoring is enabled before starting this
check (when O
2
monitoring is disabled, the message
O
2
alarms off
is displayed in the alarm limits window).
When to perform: Before placing a new patient on the
ventilator.
1. Required after installing a new, previously
unused CO
2
sensor, or when a related alarm
occurs.
2. Recommended after switching between
different airway adapter types.
NOTE:
• Calibrate only if prompted by the
device.
• All calibration data is saved in the sen-
sor head. Therefore, when a previ-
ously used sensor is reconnected, you
need not recalibrate the sensor unless
you have changed the adapter type.
CO
2
sensor/adapter
calibration
Periodically, as desired. Alarm tests
Table 4-1. When to perform tests and calibrations
When to perform Test or calibration