The old models are not manufactured by the same people, Wharfedale, in their infinite wisdom, changed Suppliers (whom in turn used different chipsets). :/
You can use the following:
2812 <ENTER>
You will end up in the firmware setup screen, which you can then use to change region to 13 (all) and on the next screen disable Macrovison (which you must do everytime as it`s not permanent, only per use)
<--DB ACCESS OK-- Diamante Code Supplied>