Using simple tools and some test cuts i m able to make sure the blade and fence ar.
Delta contractor table saw fence adjustment.
Unisaw dado throat plate.
Loosen the two bolts on the top of the fence.
Mounting design attaches to delta table saws including contractor saw hybrid saw and unisaw models three point locking system with twin hairline pointers to assure fence is parallel to blade and accurate to within 1 64 of an inch 0.
This is assuming the you have the blade aligned with the slot.
30 rail for t square fence.
Unisaw standard throat plate.
The same adjustment gauge can be used to set the fence parallel to the miter slot.
Delta table saw arbor wrench.
Now you know that the fence is good in that position on the rails.
At this point the front is still clamped to the front rail.