AT&T 2820 Specifications download pdf (Page 14)

11.Unplug this product from the wall jack and refer servicing to

qualified service personnel under the following conditions:

a)If liquid has been spilled onto the product.

b)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.

c)If the product has been exposed to rain or water.

d)If the product has been dropped or the cabinet has been

damaged.

e)If the product exhibits a distinct change in performance.

12.Avoid using a telephone (other than a cordless type) during an

electrical storm. There may be a remote risk of electric shock from

lightning.

13.Do not use the telephone to report a gas leak in the vicinity of the

leak.

14.Caution: To maintain compliance with the FCC’s RF exposure

guidelines place the base unit at least 20 cm from nearby persons.

15.Use only the power cord and batteries indicated in this manual. Do

not dispose of batteries in a fire. They may explode. Check with local

codes for possible special disposal instructions.

16. Plug the adapter into the socket / outlet that is near the equipment

and easily accessible.

17. CAUTION

Risk of explosion if battery is replaced by an Incorrect type.

Dispose of used batteries according to the instructions.

Battery Safety Precautions:

Caution! To reduce the risk of fire or injury to persons by the battery,

read and follow these instructions:

1. Use only the AT&T battery pack specified in the user’s manual.

Do not use Alkaline or Lithium battery pack, or mix battery pack of

different sizes or from different manufacturers in this product.

Do not use a non-rechargeable battery pack.

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AT&T 2820 Specifications Page 14