My english is bad, so i wont even try to translate the reply to your post, all in all i think i get what you are saying, usuali i used noise(monocromatic) on my new chop ill try the grain and hope for the best tnx for explaining things thank u and respect

i will try to write some simple lines and hope you understand better , i wouldn not want to see you srew it up because you misunderstood my explanation !!!

very very low ammount !!!!
do not use a lot of grain !!
only a small ammount !!!!

i allready started, i used 2-3 %