Zoom in Richedit

[Natter]

Hi? a;; !

To zoom in Richedit you use an array aRatio.
aRatio := { { 5, 1 }, { 2, 1 }, { 3, 2 }, { 1, 1 }, ;
{ 3, 4 }, { 1, 2 }, { 1, 4 }, { 1, 10 } }

However, these changes are too great. How to reduce the zoom step ?