User's Manual

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When the device is turned on, long press the shutdown button, the instrument display
screen displays the shutdown interface, and the device emits a "shutdown in progress"
prompt sound. After the above actions are completed, the device shutdown is complete.
4.6 Charging
Plug one end of the data cable into the USB port of the computer to charge the device.
When charging, a dynamic battery charging indicator icon will appear on the display.
When charging is complete, the battery charging indicator icon becomes stati
Charging indicator in power-on state Charging indicator in power- off state
Figure 2 Battery indicator diagram
5. Instructions for using mobile software (see Annex 1 for details)
6. Instructions for using computer software (see Annex 2 for details)
7. Cleaning and disinfection methods
During the pulmonary function test, some parts of the equipment will be contaminated
with bacteria. Therefore, the next subject may be at risk of bacterial infection.
Thorough disinfection of all contaminated parts can avoid potential risks of infection.
Therefore, all parts should be disinfected regularly. See the table below.