Hey y'all. Got the Iron Ether Xerograph Deluxe hitting clean and 2 pole tonight. Figured out a couple secrets and found through trial and error what you need to do to get it to trigger well and effectively.
First off, it seems to work best with either the neck solo or the series bridge/middle pickups. Keeping your tone controls flat or, on the NG a bit boosted on the 500hz is also effective. Max out your bass' volume. Be careful with bass boost because you can open up some deep dark holes especially if you're triggering down not up.
Second, until you get up and running, unplug your expression pedal. It's WAY EASIER to get it to trigger effectively. A completely different beast. Once you get your settings down, you can plug it back in, but it's definitely tweaky.
Start out with the Sensitivity control ALL the way up. Match the pedal's output/Filter volume to your non-effect volume.
The Frequency knob set for about 9 o'clock, and the expression knob for 3 o'clock. Once you get your pedal quacking you can adjust up for down on the high and low for whatever you want.
Start with the Resonance control around 2 o'clock. It'll be easy to hear the pedal and from there you can tweak it accordingly.
From here you should be getting a decent clean envelope opening even without an overdrive with a Dingwall. It won't be too extreme, but it gets deeper and more pronounced if you go to 4 pole. If you're using a Fuzz/OD for other tones, now is a good time to dial that in too. I adjusted the level on the volume/output on the distortion pedal to match the 'clean envelope' volume you're getting. If you're using 2 pole for clean, 4 pole for drive, make sure you're adjusting while in 4 pole mode. It's louder.
Now, if you want, plug the expression back in. As far as I can tell, it should sound like your non-expression pedal tone when you're toe all the way up (pulled back). In this position you don't need to sweep the pedal to get a good standard EF tone. If you're finding that too deep carefully sweep forward a little bit until you find your sweet spot. Listen, then pull the pedal back again and roll forward the Frequency control to the point where you're getting the tone you like all the way back. I may just end up pulling the pedal when I'm working clean and plug it in for stuff that I'm over-driving.
You'll probably find that once you've dialed this in, it will be obnoxious on the high end when you've got your OD/Distortion happening. You can either roll back the 'expression' control for this use, or you can just be careful and not 'express' too far forward.