Originally Posted By: MarkSJohnson
Hmmmm...I might be in trouble then. I ended up putting in all the codes via "learning mode"...


You should be OK. I'm pretty sure Denon changed the function of one of the buttons on the original remote to cycle through it. I think it's in the upgrade README PDF that came with the upgrade.

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Denon 4520, EPIC80/500/VP180 Speakers