15
10. SPEAKER INSTALLATION
Note
Before mounting, check to be sure that the IR-820SP’s 4 mounting
tabs are turned inside the unit as shown in the figure.
If turned outward, the speaker cannot be inserted through the
mounting hole.
Mounting tab
Step 1.
Remove the 2 infrared filters.
Loosen 2 screws securing each infrared filter, then detach the filter by sliding it outward.
Notes
• Discharge static electricity on your body before starting this step.
• After detaching the infrared filters, you will find the infrared receiver circuit parts and wirings inside
the unit. Never touch them.
Step 2.
Insert the IR-820SP through the mounting hole till it contacts the ceiling panel.
Infrared receiver circuit parts
1
1
Intrared filter
Screws
Ceiling
2
In
Out