Here are the pictures Josh sent me:


This was the Michigan standard for nearly all standard no-flair signalized intersections. It is non-NEMA spec because it does not follow the A, B, C format of TS-1 or a NEMA spec backpanel, but uses NEMA standard hardware/load switches. The cabinet is an Eagle "G" size NEMA cabinet, also an old standard...alot of these are being pulled out now or repurposed for interconnection/survelliance equipment.

I used Tinypic.com to upload the pictures and create a small link.
As far as programming, are you still having it lag on intervals before switching to the next one? Did you try putting the minimum for vehicle and ped recalls?
For coord, go to coord data>>setup coord and select auto, then go to back and select dial/split data. These terms are leftover from the mechanical era. A dial is a complete cycle or revolution of a mechanical dial, a split is branches off of that timing cycle to.
Just use the default, Dial 1, Split 1. Level 2 for interval data should bring up the split timing for each interval. A would be the active intervals used, S is your start up interval (interval #1 should be your default start point), I and O are Flash Entry and Exit respectively for overnight flashing mode which we can tackle if you want your signals to go into a flashing state at certain times of the day. That requires extended programming which I can help with.
Now I'm not sure you need to create a Time of Day program to run the split timing. On the EPAC you do, otherwise the controller sees an error and goes into Free mode. Try out this and see if your timing doesnt lag, if it does we will see about activating time-of-day.