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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.
Note: When using the nebulization function, please follow the doctor's advice for the type, dosage
and usage of the liquid medicine. Especially patients with coma or thick sputum, otherwise it may
cause bad symptoms.
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.
Nebulization Cup Lid
Cup mouth
Face mask
Nebulization cup
Connecting pipe
Nebulization subject
Connect to the nebulization
outlet of the main unit
Schematic figures of the disposable kit for nebulization
