The red and green indicators are all highlight in charging state, the red indicator goes out when the charge has
finished.
1.3 Attention
Keep the SPIROMETER away from dust, vibration, corrosive substances, tinder, high temperature and mois-
ture.
If the SPIROMETER gets wet, please stop operation.
When it is carried from cold environment to warm or humid environment, please do not use it immediately.
DO NOT operate button on front panel with sharp things.
High temperature or high pressure steam disinfection to the device is not permitted. Refer to User Manual in
the relative chapter (7.1) for cleaning and disinfection.
Do not have the SPIROMETER immerged in liquid. When it needs cleaning, please wipe its surface with medical
alcohol by soft material. Do not spray any liquid on the device directly.
When cleaning the device with water, the temperature should be lower than 60°C.
The display period of data is less than 5 seconds, which is changeable according to the end rate.
When data can't be displayed at all times or other cases happened during testing, press "repeated measure"
key to remeasure, or power off to restart.
The device has normal life for three years since the first electrified use.
When the data goes beyond the limits, the main screen shows "Error!".
The device doesn't suit all users, if you can't get good measurement data, please stop using it.
The device needs to be calibrated once per year or less.
The device is forced SPIROMETER, according to the User Manual to use right to gain best result.
1.4 Contraindication
1.4.1 Absolute contraindication
The one with MI or shock in recent 3 months;
The one with serious cardiac function unstable or angina pectoris in recent 4 weeks;
6