Jak wejść do menu serwisowego w telewizorze LG M2080D?

Good evening to all.

Does anyone know please how to get into service menu of this TV Lg m2080d?
I tried pressing OK on the remote and the TV but I can not ..

thanks
Pippo ..

Please check - http://www.factory-reset.com/wiki/LG_Service_Menu

Thanks so much for your kind response Radsat,
but unfortunately those methods don't work on my model

Bye ..