Справочник Пользователя для Sony Corporation PCG4L1L

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It is extremely important to close the docking station connector cover after disconnecting your computer from the docking station. If the cover is left 
open, dust may get inside and damage the computer.

To disconnect the docking station completely from AC power, unplug the AC adapter.

  

Connecting External Speakers

You can enhance the sound quality of your computer by connecting external speakers.

To connect external speakers

Plug the speaker cable (1) into the headphones jack (2) 

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Plug the other end of the speaker cable to the external speaker (3).

Turn down the volume of the speakers before you turn them on.

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Make sure your speakers are designed for computer use.

Do not place floppy disks on the speakers; their magnetic field may damage the data on the disks.