Pioneer TST-MLD-I-WP24 Installation & Owner's Manual page 8

3. Installation method
NOTE: The PCB is mounted in the upper part of the wired
controller. Be careful not to damage the board
with the slot screwdriver.
3. Fasten the back plate of the wired controller
For exposed mounting, fasten the back plate on the wall with
the 3 screws (M4×20) and plugs. (Fig.3-3)
Use two M4X25 screws to install the back cover on the 86
switch box, and use one M3.9X25 screw to x to the wall.
5
Back plate
Fig 3-3
Screw hole xed on the wall,useone φ
Screw hole installed on 86 switch box, use two
Fig 3-4
Screws (M4×20)
mm
3.9X25
M3.9X25
mm