Kyocera EN - Manual (Page 70)

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the last four digits of your phone number. If you forget your lock code,
call your service provider.
4 1 Lock Mode activates a security lock using your lock code. You can only
call emergency numbers or receive incoming calls.
4 2 Restrict limits your outgoing calls to emergency numbers, designated
service provider numbers, and numbers in the phone book. You may
answer calls and view or dial the phone book numbers, but you cannot
erase, add, or edit any numbers.
4 3 New Code allows you to change your lock code.
4 4 Clear Calls erases the recent history list.
4 5 Clear Book erases the entire phone book. There is no undo feature.
5 Features
5 1 Auto Answer sets the phone to automatically answer after two rings. This
feature is useful in combination with the Hands-free Car Kit.
5 2 Auto Retry redials failed calls up to five times. Auto retry works when the
system is busy or unavailable, not when the phone line is busy.