Panasonic KX-T336 System Reference Manual page 780

(2) (3)
F2 or F3
(6)
Select
F6
(7)
Memory
F7
5. Move the cursor to the target CO ID by pressing the F2 key
( ) or the F3 key (
6. Select "UNA1," "UNA2" "Ext." or "Remote" by pressing the F6
key (select).
UNA 1 : External Pager 1
UNA 2 : External Pager 2
Ext. : Extension
Remote: Remote maintenance port
If "EXT." is selected, the extension directory number must
be entered successively.
7. Press the F7 key (memory).
6-J-4
).