How To Clear User Setting; Operation - Panasonic KX-TG2323AGB Service Manual

12.8. How to Clear User Setting

The operation reset the unit to Factory setting.
(Erase recording Voice messages, Stored phone numbers, Caller list and etc.)
This operation should not be performed for a usual repair.
12.8.1. Base unit
Note:
(*1) Telephone line must be connected.
12.8.2. Handset
Note:
(*1) Be sure to short the battery terminals of the handset with a lead wire, etc. for 2 seconds for discharge after removing the
battery.
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KX-TG2323AGB / KX-TGA231AGB