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1. Operation panel:
Display screen
Display screen:
It can display the device's cumulative running time, single-time running time, adjustable timing time,
fault code, oxygen purity.
a) After power on, the screen displays the accumulated time. The running time starts to count, and
the oxygen purity is monitored and displayed in real time.
b) Each time you press the "ON/OFF" button, the single-time running time is automatically cleared,
and the cumulative running time automatically accumulates.
c) "Timing +" button, "Timing -" button: Press the "Timing +" button to switch to time accounting, and
the countdown will start after the time is confirmed. Press the "Timing -" button can reduce the
accounting time. The device will stop oxygen producing and enter the standby state after the timing
is completed; Set the timing for 8 hours and press the "Timing +" button again to enter the continu-
ous oxygen therapy mode, then the screen will display the running time. When the timing time is ≤
10min, press the "Timing -" button once to resume continuous oxygen therapy mode and the screen
will display the running time.
Indicator light:
Green light (running)
Red light (fault)
Their roles are as follows:
a) Green light is on: The green light is on after the power is turned on indicating the oxygen concen-
trator is in operation.
b) Yellow light is on: 50%≤oxygen purity<82%.
c) The red light is on: Oxygen purity< 50% or the compressor meets fault.
d) White light is on: The voice function is on.
Time unit: h
Time unit: min
Yellow light (low oxygen purity)
White light (voice)
07
Indicator light
Button
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