The Load/eject test measures the time that an optical drive needs to load, detect, and eject a disc.   
The time an optical drive needs to load and/or eject a disc should always be roughly the same, regardless of the disc type. The duration depends on how quickly the optical drive closes the tray and opens it again.
The time an optical drive needs to detect a disc that is inserted in the drive depends on the disc type. It takes longer to detect a multisession disc than a disc containing a single session.
The results of the measurements are displayed at the bottom of the screen, in the display area.
Disc type
Disc type refers to different optical storage media with different specifications. The best known are CD’s and DVD’s that can be written to once or multiple times, and which are manufactured with different storage capacities.
Multisession Disc
A multisession disc can contain several sessions that are not fixed. This way, more data can be added in new sessions at a later point in time, and the disc is not closed until it is full.


Load/Eject