Panasonic KX-TCD430GC Service Manual page 11

6.2.2. Handset
6.3. PIN Code
6.3.1. Base Unit
For Service Hint:
* : If the current 4-digit PIN is forgotten, press
be able to enter new PIN.
6.3.2. Handset
For Service Hint:
* : If the current 4-digit PIN is forgotten, press
be able to enter new PIN.
6.4. Reset
11
and you will
and you will