AT&T TL30100 User Manual page 12

Getting started
Battery installation and charging
NOTES:
• If you are on a call in low battery mode, you hear four short beeps every 50
seconds.
• When you place the handset in the charger, if no battery is installed in that
handset, the CHARGE light is off and the screen shows NO BATTERY. Follow
the instructions in Battery installation on page 6 to install the battery.
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