Samsung TS-H492A-WBGH - Manual (Page 5)

Safety Precautions
While Operating
Handle with caution to prevent damage from external shock.
Do not drop the drive, and protect it from severe shocks.
- It can damage the drive or cause it to malfunction.
Do not move the drive while in operation and do not attempt to open
the disc tray byforce.
Make sure to close all working programs before attempting to open the
tray and always use the open/close button.
- Do not insert a pin into the emergency opening while in operation.
Do not use cracked, distorted or damaged discs.
- In particular, a disc with a crack on the inner tracks may break while in
use.