Cubase pro 8.5.15 EQ Automation problem

I’m creating an automation track to cut high frequency (for example on snare), anyway the first snare hit passes high frequencies. How to solve this problem?

Try to change the eq/filter transition from “soft” to “quick.” That is on the mixer menu at the top right corner. Look for the attached file
Captura de pantalla 2016-04-05 a las 9.16.50 p.m..jpg