MV1b1 question

So I hooked this up in my cab as I am about to have my 2 slot modded for Consolation......

This works great, but I relized there is no volume control on this - Does anyone know how I can turn the volume up on this board? Is it a soft dip setting? If so, how do I get to the soft dip on this board?

Is it not this??

cool, thanks - It works - still kind of low for my system.....but the sound di turn up

It should go pretty loud with that turned up, maybe theres a problem somewhere.