Panasonic KX-T336 System Reference Manual page 213

The DN-01 through 03 b&ons are assigned as the PDN buttons automatically.
The DN-01 buzon IS Cxec !o a PDN button and cannot be changed to another
assignable feawe button
The PDN buttons assignee to the DN-02 and 03 buttons can be changed to another
assignable feature button and we versa.
When two or three PDN buttons are used, they must be arranged consecutively.
For example, it is not possible to program as follows:
(DN buttons on PITS 7000 series)
(DN buttons on PlTS type 20,30 and 50)
Type
If 'PRV-CO" (Private CO) is selected, a physical number of the selected
CO line must be programmed in 'Number."
The CO line of the physical number belongs to a "Trunk-CO tine", Trunk
Group.
The trunk group where the CO line belongs must have 'Group-Trunk
Group", Type assigned to "PVL" (Private tine).
.If "Single Co" is selected, a physical number of the selected CO line must
be programmed in "Number."
The CO line of the physical number belongs to a Trunk-CO Line", Trunk
Group. The trunk group of the CO line must have 'Group-Trunk Group",
Type assigned to 'DDD" or "FEX" or "WATS", or "PBX."
If "Group CO" is selected, a trunk group number of the selected trunk
group must be programmed in 'Number."
The programmed trunk group must have "Group-Trunk Group", Type
assigned to 'DDD" or 'FEX" or "WATS" or 'PBX."
To select this screen, press the NEXT key in the 'Extension-Station (l/3)"
screen.
9-G-l 0
(30393)