Att TR1909 User Manual download pdf (Page 5)

Battery installation

Before using the telephone, you should install four good AA

alkaline batteries (not included) to provide memory backup

and enable the use of some features. The four AA batteries are

required for caller ID features and the IN USE light to work. If

good batteries are not installed, the display only works when you

lift the handset.

If you unplug the telephone from the wall jack, or you lose

telephone service for over 10 minutes, and good batteries are not

installed, the following information is lost: call list, numbers stored

in one-touch and two-touch memory, redial list, and all settings in

the feature menu. It is recommended that you install new batteries

soon after the low battery icon appears.

Follow the steps below to install the batteries:

Press on the tab and lift to open the cover of the battery

compartment.

Lift this

tab to

open.

Press this

tab to

release.

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Att TR1909 User Manual Page 5