Air
Life
®
nCPAP Driver Service Manual
2008, Cardinal Health
Page 23 of 81
Operating the Control Knob
7.5
Interaction with Display Settings
Control of the various Air
Life
®
nCPAP Driver features is
accomplished through the use of the Interface Control Knob.
7.5.1 Control Knob Operation
Follow these steps to adjust the %O
2
, CPAP, or Flow Target
values.
1. Rotate the Control Knob to move the highlight cursor to
the different sections of the screen. The default location
for the highlight cursor is the Set %O
2
.
2. Select the parameter by pressing the Control Knob when the section you wish to
change is highlighted.
3. A prompt will appear in the Message Bar at the top of the display showing the
current settings for that feature. Rotate the Control Knob clockwise to increase the
value, counter-clockwise to decrease the value.
4. When the desired value is displayed in the Message Bar, press and release the
Control Knob to activate the new set value. Confirm that the desired setting is
displayed as the “Set” value on the main screen.
If the Control Knob is not
pressed and released to accept a new value the change will automatically be
canceled after ten (10) seconds of inactivity, and the previous setting will
remain unchanged.
Main Display Screen
Parameter Change Screen
