Does anyone know how to set up a scart connection on the Octagon SF8 - Vix Image 014

When connecting a scart I follow the on screen wizard

select scart over HDMI
select Pal over NTsc

while and after going through the wizards on Vix the picture via the scart output is very jumpy
I have tried different scart leads
I have tried different scart TV

Has anyone had this issue with scart connection and how did they over come it

regards and thanks