Due to the flexibility of the role of mechanical contact, usually in the press and release button when there is a transient process of jitter.

由于机械触点的弹性作用，通常按键在按下和释放时都存在一个抖动的暂态过程。

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The control layout is essentially the same as all NEX shooters, aside from a few deviations compared to the F3 -- the pop-up flash and its release button are closer to the center, while the playback button is now near the top-center.

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For weeks now, Blizzard has been offering pre-purchases of the game online, and you could download Diablo 3 in its entirety before release in order to simply click a button and install on launch day, and customers can continue to buy it through them at any time since then.

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On the right, it houses a power button and a two-stage shutter release, along with a volume rocker on the left.

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