Boston Acoustics TSU501 - Manual (Page 20)

SETUP AND USE GUIDE 18
Changing the RF/IR Settings
Your Avidea Remote Control comes from the factory ready to control the
Avidea System using Radio Frequencies (RF). RF signals have an operating
range of 20 meters (66 feet) in a typical home and unlike traditional Infrared
(IR) signals used by most consumer electronics, RF signals can go through