LG DSP8YA - Attaching the ferrite core (optional); Attaching the ferrite core to the speaker cables

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Attaching the ferrite core (optional)
A ferrite core may not be provided depending on national standards.
Attaching the ferrite core to the speaker cables
Attach the ferrite core to the cables to reduce radio noise.
a Pull Part [a] to open the ferrite core.
b Wind the wireless receiver's speaker cables twice around the ferrite core.
c Close the ferrite core until you hear a click.