Panasonic DP-C323, DP-C263, DP-C213 Operating Instructions Manual page 51

1
Press the Function key to open the
Function Parameters screen.
2
Select "Fax/Email Settings".
3
Select "04 Key Operator Mode".
4
Enter the key operator mode
Password, and then select "OK".
If you make a mistake, press Clear key or
"Back Space" to delete.
5
Select "01 Fax Parameters".
6
Select "120-159".
You can also proceed to Step 8 by entering
122 from the keypad and pressing the Start
key.
7
Select "122 Dial Prefix".
8
Enter the Dial Prefix Number (4-digit),
and then select "OK".
If you make a mistake, select "Clear" to
delete.
Press Reset key to return the machine to
the initial screen of the current active mode.
51