SAM4 and Snowball Mic help please :)

So yesterday, I finally bought myself Blue Snowball Microphone!! I also downloaded SAM4 as my SAM2 wasn't compatible with it. DJ Aroonie, helped me successfully adjust some settings on my SAM4 to get the best out of my micraphone, however I'm struggling to work out SAM4 whilst DJing, as on air last night, when I spoke, the music volume bars never lowered, its as if I have to adjust them myself every time i want to talk.

Can anybody possibly help via Team Viewer to help maybe sort my SAM4 out? Or write out the set up I need to do on it to make-sure everything runs smoothly :)

Thanks!