Philips Efficia DFM100 - Zeroing Using the Soft Key; Zeroing using the Smart Select knob

Zeroing Sidestream and Mainstream Sensors 9: Monitoring CO
2
107
Zeroing Using the Soft Key
 To z e r o t h e C O
2
sensor using the soft key:
1 Confirm the Efficia DFM100 is in a clinical mode.
2 Press the
 soft key.
3 The
 message appears on the display. The message disappears when zeroing is
finished.
Zeroing using the Smart Select knob
 To z e r o t h e C O
2
sensor using the Smart Select knob:
1 Confirm the Efficia DFM100 is in a clinical mode.
2 Press the Smart Select knob.
3 Turn the Smart Select knob to highlight
 menu and press the Smart Select
knob.
4 Select
 and press the Smart Select knob.
5 Select
 and press the Smart Select knob.
6 The
 message appears on the display. The message disappears when zeroing is
finished.
See Ta ble 2 3 for messages which might appear during zeroing.
NOTES: The  softkey is grayed out when the Efficia DFM100 is in the process of zeroing the sensor.
The  softkey does not appear while the Trends table is displayed.
Table 23 Zeroing Messages
Message Situation Possible Solution
 The CO
2
sensor is being
zeroed.
No action required.
 There is CO
2
in the sample
line.
If patient is not breathing into
the tube, zero again.

The CO
2
sensor is still
attached to a patient.
The CO
2
sensor is warming
up.
Allow the sensor to finish
warming up and re-try zeroing