how to enter codes (keys) for echostar ad3000 ip (non vcs)

note im new to this so pleas be very very very VERY clear PLEAS
dont ask me to search the forum caz i did
and this didnt work as afetr i press menu i dont get system settings!!
Echostar 3000 :
Menu + System setting + Language Setting + Red Bouton ouge + Tape 2528 + red Bouton 2 times