AT&T TL92378 user manual Battery installation & charging, Battery indicators Battery status Action

Models: TL92378

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Getting started

Battery installation & charging

Install the battery as shown on the next page. Once you have installed the battery, the screen indicates the battery status (see table below). If necessary, place the handset in the telephone base or charger to charge the battery. For best performance, keep the handset in the charger when not in use. The battery is fully charged after 16 hours of continuous charging. See the table on page 95 for battery operating times.

If the screen is blank, you need to charge the handset without interruption for at least 10 minutes to give the handset enough charge to use the telephone for a short time. The screen shows LOW BATTERY and the backlight is off until you have charged the battery without interruption for at least one hour. The following table summarizes the battery charge indicators and actions

to take.

Battery indicators

Battery status

Action

 

 

 

The screen is blank.

Battery has no charge and the

Charge without interruption

 

 

handset cannot be used.

until the screen shows

 

 

 

LOW BATTERY (at least 10

 

 

 

minutes).

 

 

 

The screen shows PLACE IN

Battery has very little charge

Charge without interruption

CHARGER and

flashes.

and the handset cannot be

until the screen shows LOW

 

 

used.

BATTERY (at least four

 

 

 

minutes).

 

 

 

The screen shows LOW

Battery has enough charge to

Charge without interruption

BATTERY and

flashes.

be used for a short time.

until the screen shows

 

 

 

HANDSET X (at least one

 

 

 

hour).

 

 

 

The screen shows HANDSET X.

Battery is charged.

To keep the battery charged,

 

 

 

place it in the telephone base

 

 

 

or charger when not

 

 

 

in use.

 

 

 

 

NOTE: If you are on a phone call in low battery mode, you hear four short beeps every minute.

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AT&T TL92378 user manual Battery installation & charging, Battery indicators Battery status Action