Zone VI timer.

I have a Zone VI timer. It has an extra dial calibrated in percent.
I think that this is a compensating timer for print dry down.

So, how do I use it ?

Thanks,
Charles

Do your test strips with the dial at zero percent and judge them wet... Then make your final prints at some percent that you figure out is your drydown percent (like maybe 15%). The final prints will get less exposure, when the prints are wet they will seem lighter, but the drydown will make the dry prints look like you saw on the wet test strips.