1. Do not hit or drop the instrument. The instrument may be damaged if it receives a strong impact. The
impact can damage the function of this product. Handle it with care.
2. Keep this product away from vibration.
3. Exposure to the direct sunlight or very bright indoor lights can affect the result of measurements.
4. Don't use organic solution such as alcohol, thinner, benzene, etc. to clean the surface of this
instrument. It may damage the product.
5. Disconnect the power supply and consult the dealer when there is smoke, strange odors, or noise
while working.
6. If chart is being hung on the wall, please make sure that it is safely tightened.