Sony PCLK-MN10A - Manual (Page 102)

102
Erasing data in the disc library
You can erase discs in the disc library one by one.
1
Open the Disc Library window (page 32).
2
In the Function Tree display, click the beginning part of the tree
(the letters MD, CD, or PCCD, etc.) in which the disc to be deleted
is contained.
3
Click the disc you want to erase.
To select multiple discs at the same time, click the discs while
holding down the CTRL key.
4
Click to display the Erase dialog box.
5
Click .
Note
You cannot erase data that is currently being used.