Your phone
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• To enable automatic keyguard, select Menu >Settings > Phone >
Automatic keyguard > On. Set the delay in minutes and seconds in
which the keypad locks.
If the Security keyguard is set to On, enter the security code if requested.
To answer a call when the keyguard is on, press the call key. When you
end or reject the call, the keypad is automatically locked.
When the keyguard is on, calls still may be possible to the official
emergency number programmed into your device. Enter the emergency
number and press the call key.
For information about Security keyguard, see “Phone,” p. 68.