How To Use The Ferrite Core - LG Minibeam PH550 Owner's Manual

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PREPARATION
How to use the ferrite core
* Use the ferrite core as illustrated below to reduce electromagnetic
radiation.
* The pictures may differ slightly from the actual product.
Put the ferrite core around the power cable as illustrated below.
Place the ferrite core as close to the power plug as possible for best
results.
Power plug AC/DC adaptor