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3.2. Function Keys
While all ventilation parameter settings are controlled by the
Control Selection Knob (M) in Figure 1, there are a number of key
membrane buttons which control additional ventilator functions:
3.2.1. ON/OFF
To turn on the ventilator, Press the ON/OFF button (N) in Figure 01
for one second, during that second the associated green LED will
start flashing at a high frequency. After 1 second the ventilator will
turn on but without ventilation until the appropriate patient size
symbol is selected. If the button is pressed and released for less
than a second, the ventilator will remain OFF.
To turn off the ventilator, Press and hold the ON/OFF button for 4
seconds, the green power LED will start flashing at a high frequency.
After 4 seconds the ventilator will turn off and all ventilation will
stop. If the button is pressed and held for less than 4 seconds, the
ventilator will stay ON.
At approximately 2% of full battery capacity, the ventilator will not
start when in the off position or will shut down when operating.
3.2.2. Control Selection Knob
The Control Selection Knob (M) (Figure 01) is used to navigate
between parameters, change modes, select primary function change
when rotated, and to confirm function changes when pressed.
Diagram below illustrates path of cursor when Control Selection
Knob is rotated clockwise.
e500 User Manual
WARNING
Control Selection Knob
rotation contour
Direction for clockwise
knob rotation shown
9
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