AT&T 1720 User Manual
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Answering System 1720


At Home Operation

Away From Home Operation


1.Install the batteries.

Open the battery door on the bottom of the unit by pulling on the tabs. Insert the batteries, then close the door.

The batteries are used to save your messages in the event of a power failure.

2.Connect the line cord.

Plug one end of the telephone line cord into the TEL LINE jack at the rear of the unit, and the other end into a modular wall jack.

3.Connect your telephone.

(If you do not want to connect a telephone to the system, go to Step 4). Plug your telephone set cord into the TEL SET jack at the rear of the unit.

4.Connect the power cord.

Plug the power transformer into an electrical outlet that is not controlled by a wall switch.

The Message Window counts down from 6 to 0, then the “0” flashes to indicate that you need to record an announcement.

At Home Operation

Recording Your Announcement

Before using your new answering system, you should record the announcement that callers will hear when the system answers a call. The system will not answer calls unless as announcement is recorded.

1.Prepare your announcement.

Example: “Hello. I can’t come to the phone right now. Please leave your name, telephone number, and a short message after the beep. I will return your call as soon as I can. Thank you.”

NOTE: Your announcement can be up to 2 minutes long.

2.Press and release CHANGE.

The Message Window displays “C”.

3.Press and release ANNC.

The system beeps to indicate that it is recording. Speak toward the microphone in a normal tone of voice, from about 9 inches away. While you are recording, a “-“flashes in the Message Window.

4.Press STOP when you are finished.

The unit automatically plays back your announcement. If necessary, adjust the VOLUME control (on the right side of the unit).

After you’re announcement plays back, the number in the Message Window should be on steady. If it is flashing, follow steps 2-4tore-recordyour announcement.

Reviewing Your Announcement

To review your announcement, press and release ANNC.

If necessary, adjust the VOLUME control (on the right side of the unit).

Changing Your Announcement

To change your announcement, follow the steps under “recording Your Announcement.” The old announcement is deleted when a new announcement is recorded.

Setting the Clock

The clock records the day and time when each message was received. Before using your answering system, set the answering system’s Clock.

To set the day and time:

1.Set VOLUME to the middle.