KX-TG4021LAT/KX-TG4022LAT/KX-TG4023LAT/KX-TGA403LAT
9 Service Mode
9.1.
How to Clear User Setting (Handset Only)
Handset
Press
,
,
,
simultaneously until a beep sound is heard. Then single handset is initialized.
(The contents of user setting are reset to factory default)
*Usage time is not cleared.
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