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2.11 Default flow trigger setting of 0.6 l/
min
The default setting for the flow trigger in the flow
waveform window has been reduced from 2 l/min to
0.6 l/min.
2.12 Minute volume alarm thresholds -
quick access
The minute volume alarm threshold can be
accessed by pressing and holding the adjust button
in the alarm panel for greater than 3 seconds. This
will bring the user directly to the minute volume
waveform window. The minute volume alarm
thresholds are also quicker to adjust now.
2.13 Change in the display of measured
Vte
The Vte now displayed will either be a mechanical
(large) or spontaneous (small) breaths. The Vte
value in the lung mechanics panel will switch
between the large and small breath measurements,
according to the classification of the preceding
breath.
The table below gives a description of the types of
breath.
For further information see section ’14.1.16.4
Fluctuation of measured Vte’ on page 70.
2.14 Modified operation of Main Power
Fail alarm
The user can now silence the main power fail alarm
by pressing the Reset button in the alarm panel. A
message will be displayed in the top left hand
corner of the screen showing that the ventilator is
running on battery. Re-connection of mains power
will cancel the message.
2.15 Quick setup and functional testing
changes.
The quick setup process has been reviewed and
made shorter. Functional testing is now only
required at 3 monthly intervals or when the user
requires to check the performance of the ventilator.
2.16 FiO
2
control renamed O
2
%
FiO
2
control has been renamed O
2
%
Mode Vte (ml) large Vte (ml) small
CPAP Apnoea backup
breaths and manual
breaths only.
Unassisted
breaths
CMV Mandatory breaths
and manual breaths.
Unassisted
breaths
PTV Mandatory backup
breaths, triggered
breaths and manual
breaths
Unassisted
breaths.
PSV Mandatory backup
breaths, triggered
breaths and manual
breaths.
Unassisted
breaths.
SIMV SIMV breaths
(triggered and
untriggered) and
manual breaths
Unassisted
breaths and
PSV breaths.
HFO Expired volume
averaged over 3
breaths
N/A
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