Panasonic KX-TC1230ALW, KX-TC1230NZW Operating Instructions Manual page 42

Using the Caller List
To erase all entries in the Caller List
Before erasing all entries, make sure that "0 new call" is displayed.
1 Lift the handset off the base unit.
OR
If the handset is off the base unit,
press
Ü
2 Press
á
3 Press
Ö
4 Press
á
•A beep sounds and all entries are erased.
42
or to enter the list.
á
(Yes key).
or to select "All clear".
Ñ
(Yes key).
Exit
H
All clear
GF H
=Yes
All clear
0 new call
G F
=New
H
Exit
All clear
GF H
=Yes
=Old