Eurovox ex1100 usb 'codes menu'

[Stephenw]

How do i get into the codes menu? not sure if this is what its exactly called but ive tried pressing yellow and red on menu and 2520. not sure if imm breaking rules but it was purchased from lincsat, i havent yet updated firmware this may be problem.

[princelesta]

goto language..press ok...press red (it will say saving) once the saving has disappeared press 2 5 2 0