Extron electronics MLC Plus 84 D Setup Manual page 3

Step 3: Change Buttons or a Faceplate (optional)
If desired, replace one or more buttons or button pairs using available additional buttons. Optional button kits are available in
various languages, and replacement faceplates are available, as well.
NOTE: A custom button builder tool is available at
where you can order custom-labeled buttons for the MLC Plus 84.
The faceplates must be removed to access buttons.
To replace the buttons or faceplates:
Remove one or both faceplates as follows:
1.
Insert the tip of a small, flat-bladed screwdriver
a.
(such as an Extron Tweeker) through one of the
circuit board slots at the top or bottom of an MLC
faceplate, as shown at right.
Angle the screwdriver to press gently down on
b.
the tab to release and pry the faceplate from the
circuit board.
If the faceplate has not fully detached from
c.
the circuit board, repeat steps 1a and 1b with
the hole and tabs at the opposite end of the
faceplate.
Lift the faceplate away from the circuit board.
d.
Remove any buttons to be replaced as follows:
2.
Press the button or button pair from the front of the faceplate out through the back of its faceplate opening. If necessary,
a.
pull the buttons out gently from the back.
NOTE: The smaller buttons are arranged in pairs connected by a rubbery membrane.
If you are replacing the faceplate, repeat step 2a until all buttons are removed.
b.
Set the removed buttons aside for later use.
c.
Insert a button or button pair as follows:
3.
Insert a new button or button pair from the back into the appropriate opening in the faceplate.
a.
Align the two pegs in the upper left and lower right corners of the button or button pair with the
b.
corresponding holes in the faceplate. Press the button or buttons into the faceplate so the buttons and
pegs are seated into the holes and faceplate opening.
Repeat steps 3a and 3b for any additional buttons that will be replaced or installed.
c.
Reattach the original faceplate or attach the replacement
4.
faceplate to the controller as follows:
Align the tabs (at top and bottom) and pegs (at
a.
upper left and lower right corners) on the back of the
faceplate with the slots and holes on front of the circuit
board.
Gently but firmly press the faceplate against the circuit
b.
board until the tabs and pegs are inserted into the slots
and holes, and the tabs click into place.
http://www.extron.com/product/custombuttonbuilder/index.aspx
Figure 4.
Insert peg
on faceplate
into hole.
Figure 5.
Using a Screwdriver to Release the
Faceplate Tabs, Rear View
Insert tab on
faceplate into slot.
D I
O N
V O
Aligning and Reattaching the Faceplate
Press tab down.
Tilt screwdriver to
release faceplate
from circuit board.
F
O F
O N
Pegs (2)
Peg
Tab
O P
P T
L A
M
C A
C
Y
D O
L A
S P
F
O F
P C
M E
L U
D
D V
O
I D E
X V
A U
3