Page 1 of Hidden menu for Grundig 210

Does anyone know how to access the hidden menu for the Grundig 210 dvd player

Is there a hidden menu? All I know of is the region hack:

http://www.dvd.reviewer.co.uk/info/multiregion/full/proline1000.asp

HI THERE
AS WE YOU ARE A DVD REVEIWER I WILL TELL YOU A REMOTE HACK
PRESS"OPEN ON THE REMOTE CONTROL
PUT THE DISK TO YOU WANT TO PLAY ON THE TRAY,DO NOT CLOSE IT
PRESS O,1,2,3 ON THE REMOTE CONTROL,IN ORDER,ONE AT A TIME
PRESS PLAY ON THE REMOTE

PLEASE NOTE PLEASE NOT WITH THESE PLAYERS IT HAS BEEN KNOWN NOT TO PLAY CERTAIN REGION 1 DISCS.

I HOPE THIS HAS ANSWERED YOUR QUESTION
THANKS
MICHAEL
P.S READ MY NOTE ABOUT NEW DISCS OUT IN NOVEMBER TITLE CUSTOMERS DVD MUTIREGION