Appendix

Screen icons, indicator lights and alert tones

Telephone base indicator lights

ANS ON/OFF light

 

 

 

On when the built-in answering system is on.

 

 

 

IN USE light

 

 

 

On when the handset is in use, when the answering system is

 

 

 

answering an incoming call or when the answering system is

 

 

 

being accessed remotely.

 

 

 

Flashes when another telephone on the same line is in use.

 

 

 

Flashes quickly when there is an incoming call.

 

 

 

Handset alert tones

 

 

 

One short beep

A key is pressed.

(Key tone or playback

Plays at the end of each message.

confirmation tone)

 

 

 

One long beep

Start or end recording.

(Recording or playback

Plays at the end of all messages.

confirmation tone)

 

 

 

Two short beeps

Command has failed.

(Error tone)

You have reached the beginning or end of the list.

 

 

 

 

 

 

You have reached the minimum or maximum listening volume.

 

 

Three short beeps

The handset is out of range or there is no power at the

(Out-of-range or no-power-at-

telephone base.

base warning tone)

 

 

 

Three short high-pitched beeps

The telephone has completed the command successfully.

(Confirmation tone)

 

 

 

Four short beeps

Low battery warning.

(Low-battery warning tone)

 

 

 

Telephone base alert tones

 

 

One short beep

Plays at the end of each message.

(Playback confirmation tone)

 

 

 

Beeps every 10 seconds

Message alert.

(Message alert tone)

 

 

 

One long beep

The answering system starts recording a message if call

(Recording or playback

screening is on.

confirmation tone)

Plays at the end of all messages.

 

 

 

 

 

 

 

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AT&T EL52400 Telephone base indicator lights, Handset alert tones, Telephone base alert tones, ANS ON/OFF light, USE light