core rc rx not binding help

[davepenny]

i just got a new rx ( blue one ) and i cant get it to bind and work with esc. i get a soild red light when power sourse is pluged in to bind and same with esc . is it ment to have a green light when binded ? and is there a different way to bind it from the old black rx as the new one has a bind button not the plug? please help