LG HS201 - Manual (Page 22)

Function
22
AUDIO Menu Options
FM Wireless Audio is a function to send out audio signals from the projector using FM frequency (88.5 ~95.5 MHz).
The frequency of Projector and FM receiver should be same in order to output the sound from FM receiver normally.
The signal can be received by using FM receiver within 1m of distance.
What is FM Wireless Audio?
(HS200/HS200G only)
< The recommended use range of FM receiver >
Install projector and FM receiver without any abstacles as shown on the figure below.
A FM receiver can be reached 1.5 m when the antenna length and direction are good.
< The recommended length of FM receiver Antenna >
We recommend to use a rod antenna 0.8 ~ 1.5 m for better sound quality since audio noise can be detected when
using under 0.8m rod antenna.
Audio Signal 88.5 ~95.5 MHz
Receiving range
Within 1m
FM Receiver
Projector
Front
45° 45°
45° 45°