Panasonic KX-T123211D Programming Manual page 45

Example :
To change the "Trunk" to "All" in the Security Type ;
To change the "0000" to "1234" in the User Security Code 2 ;
Press the m m m ICR(I)I k e y
1.
I I
Main Command
Programming Table
See page 11-l 0.
Display (In case of default)
.
; s > 1 2 s
; = >
; s > L-1