Kamoer F4 - Notice; 1. Safety; 2. Defect and anomalous situation

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Notice
We have considered user safety in the design process. Please read this manual
carefully. Any improper operation may cause damage or danger.
1. Safety
The product belongs to Active Products. To avoid danger, you should observe
the following rules.
 If you find any visible damage, please do not switch on;
 Be sure not to add any acid, alkali, or volatile solvents;
 Be sure not to use in humid environment, avoid damage by short circuit;
 Temperature change or mechanical wear may increase the volume error.
2. Defect and anomalous situation
You must stop any operation immediately if the equipment is damaged. The
equipment may be damaged when the following situations occur:
1） There is visual damage.
2） The product suddenly does not work.
3） The product is located in an inappropriate position.