manual disc eject function

Easy disc eject without power supply.
firmware live update

Automatically upgrades the latest firmware version through internet by continued support of newer media.
double OPC (Optimum Power Control) in DVD+R
• Usually the outer side of the disc has lower writing quality because of the vibration and swaying of the disc makes the servo signal worse.
• Double OPC technology enables to check not only in the inner but also in the outer side of the disc, optimizing the laser power on each area in order to perform the most reliable writing.