Sony PCG-SR33 - Manual (Page 17)

Using the Optical Drive
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3 Close the tray by pushing it gently. The BUSY indicator on the drive flashes
while your notebook is reading data from the disc.
To Remove the Drive
Remove the PC card from the notebook. See “Using PC Cards” for details.
Notes on CD Media
❑ Do not touch the surface of the disc.
❑ Do not drop or bend the disc.
❑ Do not use adhesive labels to identify the disc. The label may come off while
the disc is in use in the optical drive and cause the drive to malfunction.
Inserting a Disc
The Flashing BUSY Indicator
Disc
Busy Indicator