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few precautions:
•
Do not immerse the units in water.
•
Do not clean the units with abrasive or corrosive materials. They may scratch the plastic
parts and corrode the electronic circuits.
•
Do not subject the product to excessive force, shock, dust, temperature, or humidity,
which may result in malfunctions, shorter lifespan, damaged batteries, and damaged
parts.
•
Do not tamper with the product’s internal components. Doing so will invalidate the
warranty and may cause damage. The product contains no user-serviceable parts.
•
Use only fresh batteries. Do not mix new and old batteries.
•
Read the user's manual thoroughly before operating the product.
