Hello I proved the commands that post richard cunningham in DVD Plyers Hack for the DVD Sony DVP-NS300 but not that option
use to off macrovision, the following menu appears :

Test Mode Menu
0 System Diagnosis
1 Drive Auto Adjustment
2 Drive
Manual Operation
3 Mecha Aging
4 Emergency History
5 Version Information
6 Video Level Adjustment
EXIT Power
Key

Please indicate the procedure to continue correctly.

Thank you send answer to
aquintero@intranet.hondutel.hn and olivaniq@yahoo.com