Therapy; Function - Yuwell YH-550 User Manual

9. Rotate the knob cover component from the
to .
11.Connect the free end of the air tube firmly
onto the mask; See the mask user guide
for detailed information.

10. Therapy

f 10.1 Start therapy
① Fit your mask;
② Press or breathe normally if Smart Start/Stop is enabled, therapy will start. During the
therapy, the real-time average pressure, the set pressure, the ramp time (min), and the humidity
level will all be displayed on the screen;
③ During the ramp time, the pressure increases gradually until the setting pressure has been
reached;
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9
10.Connect the air tube firmly to the air outlet
located on the top of the device.
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12.Plug the power connector into the rear of
the device.
④ The screen backlight will turn off automatically after two minutes of no action. You can press any
button to turn it back on.
Caution:
When the level of the humidity is 1-6 and the device is delivering gas pressure，the heating plate
is heating ( including the situations that the screen shows "Large Leakage" and the backlight of the
screen is off ) . When the level of the humidity is 0, the heat plate is not heating. Also if the device is
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not delivering gas pressure, the heat plate will not heat either.
f 10.2 Stop therapy
12 ① Remove your mask first；
② Press the
minute;
③ To power off your device, please separate your plug from the electricity.

11. Function

f 11.1 Function that patient can safely use
① Information:
You can read summary of sleep report on information page. Following parameters will be displayed
y AHI: indicates the number of apneas and hypopneas per hour.
y Used Time: the number of hours of the device working last session(h).
y Treatment Time: the number of hours of therapy patient received last session(h).
y Average Pressure: the average pressure of the last therapy (cmH
APAP
6.0
Pressure
6.0-15.0
Ramp: 15
Humidity: 6
Picture 1: therapy
or if Smart Start/Stop is enabled, therapy will stop automatically after about one
O/hPa).
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