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Check the placement tips included in this manual to site your sensors in the best possible way.
PRECAUTIONS
This product is engineered to give you years of satisfactory service if you handle it carefully.
Here are a few precautions:
1. Do not immerse the unit in water.
2. Do not clean the unit with abrasive or corrosive materials. They may scratch the plastic parts
and corrode the electronic circuit.
3. Do not subject the unit to excessive force, shock, dust, temperature or humidity, which may
result in malfunction, shorter electronic life span, damaged battery and distorted parts.
4. Do not tamper with the unit’s internal components. Doing so will invalidate the warranty on
the unit and may cause unnecessary damage. The unit contains no userserviceable parts.
5. Only use fresh batteries as specified in the user’s manual. Do not mix new and old batteries
as the old ones may leak.
6. Always read the user’s manual thoroughly before operating the unit.