Use Instruction

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cleaning steps untill it is clean.Then wipe it dry with a clean soft cloth.
To disinfect the mouthpiece, wipe the clean mouthpiece with an alcohol cotton
pad or a cotton cloth moistened with 75% alcohol for 2 miniutes. Allow to air dry
on a towel. Finally store it in a clean, ventilated and dry place.
4.3 Cleaning of the main unit
Weekly cleaning is recommended. To clean, wipe the device’s surfaces with a
soft damp cloth. Dry with a soft cloth, or allow to air dry. Ensure that all surfaces
are completely dry. Finally store it in a clean, ventilated, and dry place.
NOTICE:
 Do not clean the main unit in water or other liquids.
5 Maintenance
5.1 Battery
When the battery is too low, the “ ” symbol will flash 2 times, and the “OFF”
will flash 2 times immediately accompanied by "DIDI" sound. The device will shut
down at this time, and you should replace the battery with a new one in time.
NOTICE：
 Please take out batteries from battery case to avoid battery leakage if you
do not use the device for a long time.
 Please select batteries with regular factory instead of fake and shoddy
batteries
 If the battery volume is not sufficient, the accuracy of parameter of PEF may
be affected
5.2 Repair
The repair of the device is limited to qualified maintenance personnel designated
by the manufacturer. Users are not allowed to disassemble and repair it. If
necessary, the relevant technical documents such as circuit diagrams and
component lists required for maintenance can be provided.
Important:
Changes or modifications to this unit not expressly approved by the party
responsible for compliance could void the user’s authority to operate the
equipment.