13. Avoid using the product during a storm. There may be a risk of electric shock
from lightning.
14. Do not place the product where persons can step, trip, or fall on it.
15. Do not place conductive objects over or near the antenna.
16. Do not use the product to report a gas leak while in the vicinity of the leak.
17. Do not install the base station or the handset charger near microwave ovens,
radios, TV sets, speakers, or other electrical equipment. These appliances may
cause interference to the product or experience interference from the product.
18. Unplug the base station or the charger adaptor from the power outlet and refer
to an authorized service center under the following conditions:
a. If liquid has been spilled into the product.
b. When the power supply cord or plug is damaged or frayed.
c. If the product has been exposed to rain or water.
d. If the product does not operate normally by following the operating
instructions.
e. If the product has been dropped or housing has been damaged.
f. If the product shows a distinct change in performance.