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DCO
2
Is a gas transport coefficient. A calculated value
based on tidal volume and frequency. Value
smoothed with a filter (time constant equal to 3
breaths).
Displayed in HFO only.
Mean P
The mean pressure. A measured value with a
resolution of 1 mbar.
10.14 The Pause Button
The Pause button is
located in the top
right hand corner of
the screen.
Pressing the button
will freeze all the
waveform windows
for 1 minute.
Pressing the Pause
button at any time
whilst the screen is
frozen will unfreeze
the waveform
windows.
10.15 Night Button and Screen Lock
The Night and Screen Lock button locks the screen
so no button presses are registered (apart from the
night and screen lock button) and changes the
colours on the screen to reduce the amount of light
emitted. The ventilator uses a backlit colour LCD
that produces a large quantity of light.
Touching the button sets the screen to night mode.
(See below for an example).
The screen will automatically revert back to the
standard colour palette if an alarm condition occurs.
Pressing the Night and Screen Lock button again
will revert the screen back to the standard colour
palette and release all the controls.
Note: The pause button does not affect the
user ability to adjust the alarm thresholds.
Note: The screen may flicker shortly after
activation as active panels and controls time
out and the display updates.
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