See also:

Folder selection
Select a folder in the same way that a folder is selected when a CD is played. Refer to “Folder selection”. ...

Electrical system
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Security setting - Setting PIN code
The PIN code is a 4-digit number and is used when locking the phonebook. 1. Select the “SET PIN” menu. Then “CURRENT PIN?” is displayed. 2. Input the current PIN code by operating the “TUNE/TR ...