10
Ⅺ. OPERATION STEPS
1. Add water to the humidification bottle: Take out
the humidification bottle, unscrew the lid, pour
distilled water or cold boiled water into the cup,
between the maximum and minimum. Then tighten
the lid, and put it back to its original position.
2 Take out the humidification tube (see the figure
for details), then connect the oxygen outlet of the
device and the oxygen inlet of the humidification
bottle.
3. Turn on the power: Insert the power cord connector into device power jack; Plug the other end of
the power cord into the indoor power socket, then turn on the power switch, press the ON/OFF
button to start oxygen production.
4. Adjust the flow adjustment knob as needed.
5. Insert the inlet end of the nasal oxygen cannula into the outlet of the humidification bottle, and
then put the nasal oxygen cannula on the user's ears, inserting the nasal congestion in the user's
nose (as shown in the figures below). Please follow the doctor's advice for the time and flow of
oxygen inhalation.
6. When the oxygen therapy is finished, press the “ON/OFF” button on the display, and then turn off
the power switch. If don't use the device for a long time, please unplug the power cord.
7. If you need to inhale oxygen and use time function, please refer to "1. Operation panel: button" in
"Know Your Device"P7 for details.
8. Oxygen purity prompt function:
The oxygen purity will reach a steady state after 30 minutes of starting up.
a) When 50%≤oxygen purity<82%, the yellow light is on.
b) Oxygen purity <50%, the fault red light is on, and three voice instructions are issued, the fault
code "E4" and the running time are displayed alternately.
Schematic figures of nasal oxygen cannula wearing
Humidification
tube
Pressure
relief valve
Oxygen
inlet
Oxygen
outlet
9. If a sudden power failure occurs during the operation of the device with an alarm sound, please
check whether the power connection part or the external power supply is in good condition.
10. Nebulization function description:
1) Unscrew the plug of the nebulization outlet and connect it to the disposable kit for nebulization to
start nebulization. When the user needs to use the nebulization function, please refer to the
"Schematic diagram of the disposable kit for nebulization" to install a disposable nebulization kit.
2) When the nebulization function is used, the oxygen purity will be reduced and the device may
alarm, and the alarm will be automatically released when the oxygen flow is reduced. It is not a
malfunction.
3) Operation steps:
a. Add an appropriate amount of liquid medicine into the nebulization cup.
b. Unscrew the plug of the nebulization outlet in counterclockwise direction.
c. Connect the two ports of the connecting pipe to the nebulization cup and the nebulization outlet
of the main unit respectively.
d. Turn on the power switch of the main unit and press ON/OFF button to start nebulization therapy.
e. After therapy, screw the nebulization plug clockwise into the nebulization outlet of the main unit
and tighten it.