Sorry, if this has been discussed before - how compatible will the Rio remote be with the first batch of Mk II? I heard that there were a few slight modifications since the first Mk IIs. Are these documented somewhere?

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"I love deadlines. I love the WHOOSHing noise they make as they go by." - Douglas Adams
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--- "I love deadlines. I love the WHOOSHing noise they make as they go by." - Douglas Adams