How to fix DVD recorder lag?

When I try to record DDR on my DVD recorder, it lags worse than DDR X AC. How can I fix this?

I can always play it on the normal input though... I have a some kind of box that puts all of the consoles' signals into up to two inputs. I forget what it's called.

If you look in the graphics section of the options on DDR, you can find the option for adjusting the timing. Fiddle with that a bit, see if it helps. If the DVD recorder causes a lot of lag, you might not be able to adjust the timing far enough, but it'll help at least.

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I can still record while playing on a different input.