The Main Menu
140
4.3.4.4 None Option
The None option is used when no O
2
Supply is connected to
the iVent
201
. When this option is selected all the O
2
related
alarms are disabled. The alarm settings and readings are also
disabled, and the FiO
2
field will display “ - -“.
If the O
2
sensor fails, no alarm will be displayed.
4.3.5 Adaptive Peak Flow
The rate for Adaptive Peak Flow can be adjusted with the
Advanced Settings menu. (For information about Adaptive
Peak Flow see Appendix D.)
To change the Adaptive Peak Flow setting:
1. From the Advanced Settings
menu (see section 4.3 on page
125), highlight the “Adaptive
Peak Flow” selection.
Figure 4.33 Adaptive Peak Flow highlighted on the Main Menu
2. Press the control knob. A pop-
up appears with the values Off,
Low, Mid and High.
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