Deep Sleep
When your phone is in power save mode, you can set the deep sleep duration to maximize battery life.
To set deep sleep
1.From standby mode, press 
menu.
2.Press pqrs 7 for Preferences.
3.Press ghi 4 for Calling.
4.Press jkl 5 for Deep Sleep.
5.Scroll to select one of the following:
■15 minutes – Sleep for 15 minutes (maximum power savings)
■10 minutes – Sleep for 10 minutes
■5 minutes – Sleep for 5 minutes
■Off – Do not set deep sleep (minimum power savings)
To exit deep sleep
■Press a key at any time.
Send PIN
If your cellular service provider supports this feature, you can use a PIN (personal identification number) for verification before connecting analog calls.
To enter your own PIN, see Entering PIN, page 34. Contact your cellular service provider for more information.
Each PIN is associated with a different NAM (number assignment module), or phone number. When you enter a PIN, it becomes associated with the currently selected NAM, so be sure to select the appropriate NAM before setting Send PIN (see NAM Select, page 51).
To set Send PIN
1.From standby mode, press 
menu.
Note
Be sure to select the appropriate NAM before setting Send PIN (see NAM Select, page 51).
2.Press pqrs 7 for Preferences.
3.Press ghi 4 for Calling.
4.Press mno 6 for Send PIN.
5.Scroll to select one of the following:
■Never – Does not prompt you for or send a PIN
■Prompt – Prompts you for a PIN after you enter the phone number
6.Press 
ok.
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