AT&T 2U20 manual Save These Instructions

Models: 2U20

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C.If the product has been exposed to rain or water.

D.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 may result in damage and will often require extensive work by a qualified technician to restore the product to normal operation.

E.If the product has been dropped or the cabinet has been damaged.

F.If the product exhibits a distinct change in performance.

15.Never install telephone wiring during a lightning storm.

16.Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations.

17.Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface.

18.Use caution when installing or modifying telephone lines.

19. Use only with Class 2 power source, rated at an input voltage of 110 VAC, 60 HZ and an output voltage of 12 Vdc, 300 mA.

20.The Cord-Free Headset requires AC power in order to operate. In order to have phone service during a power outage, have another telephone available that is powered only by the telephone line.

21.Keep all product cords and cables away from operating machinery.

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CAUTION: To reduce the risk of fire or injury to persons, read and follow these instructions.

1. Use only the following type and size battery pack:

See page 14 of this manual for a list of battery manufacturers and models.

2.Do not dispose of the battery pack in a fire. The cell may explode. Check with local codes for possible special disposal instructions. See page 14 for information on battery recycling.

3.Do not open or mutilate battery pack. Released electrolyte is corrosive and may cause damage to the eyes or skin. It may be toxic is swallowed.

4.Exercise care in handling batteries in order not to short the battery with conducting materials such as rings, bracelets, and keys. The battery pack or conductor may overheat and cause burns.

5.Charge the battery pack in accordance with instructions supplied with this unit.

6.Observe proper orientation between battery pack and charger contacts.

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AT&T 2U20 manual Save These Instructions