Panasonic KX-TDA600 Installation Manual page 74

2.2.6 Installation of 3- or 4-shelf System (Tower Type)
3.
Remove the 4 tabs on the top cover of Expansion Shelf 3, by using a flathead screwdriver, as shown below.
Expansion Shelf 3
4.
Fasten the wall brackets loosely to Expansion Shelf 3 with 4 screws (D). (This makes it easy to adjust the
position of the shelves later.)
Screw (D)
74 Installation Manual
Wall Bracket (Left)
Wall Bracket (Right)