You can prohibit the CD ejection and can lock a CD in the loading slot.
Press and hold CD and 0 for more than 2 seconds.
CD
�EJECT� flashes on the display for about 5 seconds, and the CD is locked and cannot be ejected. To cancel the prohibition and �unlock� the CD, press and hold CD and 0 again for more than 2 seconds. �EJECT� appears on the display, and the CD ejects from the loading slot.
