Ericsson T19LX - Manual (Page 32)

28 Basic Operations
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c. Low Battery Power Alert
The low battery alert sounds when your battery is reaching its lowest
operational power level. The words Low Battery flash in the
display, and the indicator light on top of your phone flashes red.
When this happens, leave your phone turned on. The phone
discharges the battery and then automatically turns off. You should
charge the battery within 24 hours after a complete discharge so that
the battery can charge to full capacity.
Security Code
Your phone has a security code that you must enter to gain access to
certain functions, such as call restrictions and calling card numbers.
The factory-programmed code is 0000. You can change this code to
provide maximum security for your phone. See the section on your
security code in the “Menu Descriptions” chapter. If you forget your
security code, contact your service provider for assistance.