Appendix

Handset display screen messages

Screen display messages

WARNING

CHECK BATTERY!

The battery is not installed or not installed properly in the handset.

-OR-

The battery needs to be replaced.

TONE

MUTE REDIAL

DELETE PAUSE

-OR-

An incorrect battery has been installed by mistake. Use only supplied battery (model 27910, part number 89-0099-00-00) or equivalent.

PLACE

The battery is very low. Place

the handset in the telephone

IN CHARGER

base or charger.

 

 

 

CHARGING

A handset with a low battery

has been placed in the tele-

 

phone base or charger.

UNABLE TO CALL Failed intercom or conference

TRY AGAIN call (there are already two handsets being used).

NOT AVAILABLE

Someone else is already using

AT THIS TIME

the directory or call log when

you try to do so.

 

MICROPHONE ON The call switches from being

 

on mute to normal call.

INTERCOM TO:

The handset is to initiate

 

an intercom call to another

 

handset. (You have to press

 

the handset number of the

 

destination handset.)

INTERCOM

The intercom call has just been

ended by you or the receiver of

ENDED

the call.

 

 

 

CALLING

The handset is calling another

HANDSET X

handset (for intercom calls).

TRANSFER TO

The handset is to transfer a

 

put-on-hold external call to

 

another handset.

NO SIGNAL,

The handset is out of range

CALL ENDED

while on a call.

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AT&T E5902B, E5921, E5903B user manual Place