This is a "box" made by Vestel and sold under a number of brands. some claiming to be repectable, as well. Shows just how much you can trust some people. See here:
http://www.vestelpvr.futaura.co.uk/T835.php
The once-good label Ferguson is now sadly little more than a badge on kit of possibly dubious provenance. I did find a manual for one of the Vestel variants of your model. This may help:
http://help.digitaluk.co.uk/pf/197/webfiles/DUK/Manuals%20&%20Guides/Hitachi/User%20Manual/IDTV/Hitachi-500HDR10.pdf
XXX, September 2015
