82
3. Turn the Control Knob to change the Inspiratory Time. Notice that the I:E
ratio is calculated as you adjust the value.
4. To return to Adaptive I. Time™, turn the Control Knob counterclockwise until
Adapt appears.
5. Press the Control Knob to confirm and accept the settings.
If Adaptive Inspiratory Time is selected a blue icon with black circled A is
displayed on the Main screen (Figure 66). If Manual Inspiratory Time is selected,
a transparent icon with black circled M is displayed on the Main screen (Figure
65).
Figure 65: Manual I Time
Figure 66: Adaptive I Time
If a manual I time is set that does not allow for a 1:1 I:E Ratio, or does not allow
the set volume to be delivered within the set I time, then the display flashes
during the ventilation.
ADJUSTING RISE TIME
The iVent
TM
201 provides four possible values for Rise Time (drive): Mid, High, Max
or Auto. These options refer to the speed of the engine acceleration during the
inspiratory phase.
In Adaptive Bi-level you can adjust the rise time between 0.1 to 1.5 seconds.
NOTE The factory default value for rise time is “Auto”. It is recommended that this
setting not be changed
To adjust time value:
1. Select the Rise Time settings from the lower portion of the Main screen
(Figure 67):
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