Delta DVP 14ES PASSWORD:S

hello guys....
whenever i connect dvp 14 ES with my laptop it asks for password,unfortunately i forgot the 4 characters password,is it any way to recover the password or bypass it...i m very depressed coz of this...kindly guide me

please help guys...i will reward if someone helped me out...as well as my op320-a panel is in chinese language ...i contacted with the manufacterer they said it cannot be convert in english for that u will need to download english programme...