Panasonic KX-TD208CE Operating Instructions Manual page 22

2.2 Initial Settings
Clearing the Programmed Data
Allows you to clear all of the data in the list, so that each item returns to its initial setting.
PROGRAM
Press
PROGRAM.
2-8
Operations
#
9 9
Dial 99. Dial #.
Press STORE.
AUTO DIAL
PROGRAM
STORE
Press
PROGRAM.