Cisco SPA 303 Manual page 52

dangerous voltages or other risks. Incorrect re-assembly can cause
electric shock when the product is subsequently used.
•
Unplug this product from the wall outlet and refer servicing to qualified
service personnel under the following conditions:
- When the power supply cord or plug is damaged or frayed.
- If liquid has been spilled into the product.
- If the product has been exposed to rain or water.
- If the product does not operate normally by following the operating
instructions.
- Adjust only those controls that are covered by the operating
instructions because improper adjustment of other controls can result
in damage and will often require extensive work by a qualified
technician to restore the product to normal operation.
- If the product has been dropped or the cabinet has been damaged.
- If the product exhibits a distinct change in performance.
•
Avoid using a telephone during an electrical storm. There can be a
remote risk of electric shock from lightning.
•
Do not use the telephone to report a gas leak in the vicinity of the
leak.
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