hello to all

i need some help with my gigablue se.im trying to set up my box via scart lead,when iv got the box connected via scart im missing half the OSD,its like the picture size is wrong.i have tryed every picture size setting on my tv and on the box but still im missing half the menu osd etc.i really need help with this please as i cannot set up my box because half the picture is missing.any one have any ideas please

thank you