AT&T Four-Line Intercom Speakerphone 974 Manuel d'utilisateur télécharger pdf (Page 4)

3. Connect the power adapter to the telephone.

Use only the power adapter provided with this product.

To obtain a replacement, call 1 (800) 222–3111.

Plug one end of the power adapter into the jack labeled POWER

on the back of the phone. Plug the other end into a standard

electrical outlet not controlled by a wall switch.

4. Initialization.

If no battery is installed when you connect the power cord, the phone

runs a quick self-test and the screen displays Initializing for

about seven seconds.



NOTE: The phone will run through this same initialization any time it is

reconnected to AC power if a working battery is not installed (for example,

after a power failure or when the unit has been unplugged).

5. Check for dial tone.

Lift the handset and listen for a dial tone. If you cannot hear a dial

tone, please see In case of difficulty starting on page 88 of your

User’s Manual, Part 2 for details.

Standard

electrical

outlet

Power adapter

Power jack

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AT&T Four-Line Intercom Speakerphone 974 Manuel d'utilisateur Page 4