Dräger Medical Fabius Tiro Technical & Service Manual page 221

Adjustment and Calibration Procedures
Zero Calibration
21% Calibration
Figure 5 Oxygen Sensor
Dräger Medical AG & Co. KGaA
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4. Remove the oxygen sensor capsule from its housing and allow several
minutes for the displayed offset readings to stabilize.
NOTE
The difference between the Cell A and Cell B readings should be no
greater than 8.
5. Press the Store Zero soft key to store the current values as the new zero
calibration.
6. Reinstall the sensor capsule in its housing.
7. Expose the sensor to ambient air only (away from any open part of the
breathing system) and allow it to stabilize for several minutes.
8. Press the Standby key to return to the standby screen.
9. Press the Calibrate O2 Sensor softkey. An instruction window replaces
the softkey labels.
10. Press the rotary knob to start the 21% O2 calibration. During calibration
the 'Calibrate O2 Sensor' softkey shall illuminate. Following calibration
the screen returns to normal.
NOTE
If an "O2 Sensor Calibration Failed" message appears, refer to the Oxygen
Monitoring section of the Fabius Tiro Operator's Instruction Manual for fur-
ther information.
11. Reinstall the O2 sensor assembly in the inspiratory valve dome.
6002.002
Fabius Tiro
Revision B Released
215