Two complete front-panel settings (parameter selection and the sweep control) can be stored in a non-volatile memory and recalled at any time with a single key operation.

两个完整的前面板设置（参数选择和扫描控制）可以储存在非挥发性记忆体，并回顾在任何时候用一个关键作业。

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There are a number of big improvements over the PSP, namely the OLED screen, built-in Wi-fi and 3G, front and back facing cameras, flash memory game storage, touch control on the back panel and at last, dual analog sticks.

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