Sony PCV-L620 Manuale

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Locating Controls and Connectors
9
Using a Headphone or Microphone
When you connect a microphone or headphone to your computer, 
attaching a ferrite core will reduce electrical interference. Attach the 
supplied ferrite core at the end of the headphone or microphone cable 
closest to the computer. Wrap the cable through the center of the ferrite 
core. The following illustration shows how to attach the ferrite core when 
you are using both a headphone and microphone.
The LCD and keyboard cables already include a ferrite core. Do not remove the ferrite core 
from these cables.
Plugs connected to
Microphone and 
Ferrite core
the computer
headphone cables