PolyPlanar MR45R - Manual (Page 4)

8) button
Press button to increase volume level.
INSTALLATION DIAGRAM
Select the proper location to place the commander, make sure there
is clearance for the installed depth. Use a hole saw or other suitable
device to make a cutout. Install the commander to the wall using
provided hardware:
1) 2 screw axles
2) 1 mounting bracket
3) 2 butterfly nuts
76mm