I'm a TDI SL owner. I recently did the Sweep Speed mod of swapping out C20 & 21. I'm now considering a mod suggested by Reg Sniff to do away with D20, and C56, and put a jumper across D21. Apparently this is something White's changed, possibly in 2015. (my unit is a 2013) I know the new TDI Special Edition has this change. My question is what does this modification accomplish? I'm an old, with the emphasis on old, radar tech, and I'm not sure I want to tackle these tiny parts unless it's going to make a significant difference in performance of my machine. I really enjoy the results of the sweep speed mod. Any light you can shed on this would be gratefully received.
Jim
Jim
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