Acer Veriton 3900 User Manual page 45

Veriton 6900Pro/7900Pro
2. When the disk tray slides open, place the CD or DVD gently on the tray.
Make sure that the label or title side of the disk is facing upward.
When holding a disk, hold it by the edges to avoid leaving smudges
or fingerprints.
Veriton 3900Pro
33