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If the following conditions occur, unplug the device from the wall outlet and bring it to qualified
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service personnel for repair:
- The power cord or plug is damaged or frayed;
- Liquid was spilled into the device;
- The device was exposed to rain or water
- The device was dropped, or the cabinet was damaged;
- The device exhibits a distinct change in performance, indicating a need for service
When following the operating instructions, the device does not operate normally.
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Only adjust those controls that are discussed in the operating instructions. Improper adjustment
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of other controls may result in damage that could require extensive repair by a qualified technician.
Do not connect the RJ-11 connector marked “UPGRADE” to a public telecommunication
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network.