Operation Instruction
KEYS ON THE DEVICE
+
-
Mode
Ramp
Start/OFF
The followings are normal operations.
1. Standby mode
Turn on the power and then press Start/Off button; the LCD backlight is
on and the LCD displays "Off" at the same time. This is the standby mode.
2. The normal working mode
Press Start/Off" button under standby mode, then the CPAP start working
with an output of pre-set air pressure. Meanwhile, the LCD displays
"Pressure .XX.X cmH2o"(XX.X is the numeric value of the pre-set air
pressure). This is the normal working mode of the device.
3. Turn off the device
Press "Start/Off" button under normal working mode, so the air output
stops, then the device returns to standby mode.
4. Ramp mode
Press "Ramp" button under normal working mode. CPAP starts working
under ramp mode. Meanwhile, the LCD displays "Ramp" and "Pressure
XX.X cmH2o"(XX.X is the initial numeric value of air pressure), The device
start working with initial pressure. 5 minutes before the pre-set delay time
ends (the working time of this period can be set from procedure 9), the
air pressure starts rising gradually until it reaches pre-set numeric value of
normal mode. After that, the device operates with the same air pressure
continuously. User can follow the procedure 3 to stop the Ramp mode and
back to the Standby mode.
6
Mask off warning: When under normal working mode or ramp mode,
if the mask falls off from patient's face, it appears a "Mask Off Warning"
on the LCD screen. Meanwhile, the backlight flashes at the frequency of
1HZ for 1 minute. When the "Mask Off with BEEP" mode is set before
operation, there will be alarm while "Mask Off" and it last for 1 minute
until it is turned off.
Mask off during normal working
blacklight flashes at the frequency of 1 Hz
Mask off during ramp
blacklight flashes at the frequency of 1 Hz
The followings are procedures of device setting.
5. Change to device setting mode
Press "Ramp", "-" and "Start/Off" buttons at the same time under
standby mode, then the device setting mode is on. At this moment, the
device is working with pre-set air pressure.
6. Working pressure setting
The procedure enters working pressure setting mode first. The LCD displays
"Pressure XX.X cmH2O". XX.X is the numeric value of air pressure you
want to set for normal working mode of the device. Use "+" or "-"to
adjust the value. The value increases/decreases 0.5 cmH2O for every single
press. You can also press the button continuously for quicker adjustment.
Work pressure setting
"Setting mode" flashes at the frequency of 1 Hz
7. Altitude setting mode
Press "MODE" button under working air pressure setting mode, then the
device switches to altitude setting mode. There are 4 levels of altitude ---
-1,2,3 and 4, which stand for 0-2500 feet, 2500-5000 feet, 5000-7500
feet and 7500-9000 feet respectively. Adjust the level with "+" and "-"
buttons according to the altitude of your current location.