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Operating Procedures
5-2
Puritan Bennett 540™ Ventilator User’s Manual
Figure 5-2.
Welcome Menu Screen
To Skip the Welcome Menu Screen:
To skip the Welcome Menu screen, press the
VENTILATION ON/OFF
key to start ventilation
immediately.
The Ventilation menu is then displayed, along with a prompt to press the
VENTILATION ON/OFF
key to start ventilation, as shown in the following graphic.
By default, the starting ventilation mode that follows the Welcome menu is the last one used; the
settings are those that were active when the machine was last stopped. If the ventilator’s memory of
the settings is faulty, a “CHECK SETTINGS” alarm is activated. If this occurs, the desired parameters
should be reset and re-saved; otherwise the machine will operate on default parameter values.
5.2
Starting Ventilation
Before starting ventilation, refer to
Appendix B, “Operational Verification Checklist”
, and set the
parameter values in the Preferences menu.
Note:
•
If the ventilator had been previously stopped by use of the
I/O
switch
while ventilation was in progress, the
ventilator starts directly in ventilation mode and does not show the Welcome Menu screen.
•
The Alarm, Technical Fault, and Event logs are stored in non-volatile memory on the Main CPU PCB, ensuring
that the information is retained when the ventilator is powered off and during power loss conditions.
Summary of Contents for Puritan Bennett 540
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