SD42212i-hc

[pendolino480]

Hi, i have a SD42212i-hc HDCVI, set in cvbs. Osd menu in dvr in not avaible (because is in cvbs) and PFM820 get correct red led but press hdcvi, hdtvi or ahc not change any... I search reset button in camera, but where it should be there isn't (on the mainboard, near the fan...
What can i do to set hdcvi?
Thank's