24
Menu
Function Description
sensitivity
gears.
4.6.3Maintenance mode menu
The maintenance mode menu is only used by the customer service personnel of the
manufacturer, and can be used to upgrade the software of the device and restore the factory
settings. Switching to advanced mode requires manual input of the password.
Menu
Function Description
Pressure calibration
Perform pressure calibration on the device.
Flow rate calibration
Calibrate the flow rate of the device.
Software upgrade
Upgrade the software of the device.
Reset
Restore the factory settings of the device.
4.7Device tips
During the use of the device, the system will display prompt information on the screen
according to the current status. For details, refer to the following table:
Tips
Function Description
High air leakage
In the process of using the device, if the mask and breathing tube are
not properly connected, or the water tank is not installed properly, the
screen will display a prompt message.
Asphyxia
When apnea is detected during the use of the device, and the set time
is exceeded, a prompt message will be displayed on the screen.
Pipe disconnected
During the use of the device, if the connection between the pipeline
and the device outlet is interrupted, or the connection between the
mask and the pipeline is interrupted, a prompt message will be
displayed on the screen.
Blocked pipe
In the process of using the device, if the pipeline or the air inlet of the
device is blocked, the screen will display a prompt message.
Power down
During the ventilation process of the device, the power supply is
accidentally disconnected. After the power supply is restored and the