Getting started

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 telephone 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:

1.Press on the tab and lift to open the cover of the battery compartment.

Press this

 

tab to

Lift this

release.

tab to

 

open.

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Image 10
AT&T TR1909 user manual Battery installation