Firmware updates are accomplished with a rear panel USB port.

固件更新的完成了后面板的USB端口。

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Offering a refined take on the category, this system features a powerful 5.1-channel receiver with AirPlay and a front panel USB port for direct connectivity to iPhones, iPads, iPods and USB drives.

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The fan plugs into the USB port on the back panel though and since you aren't touching anything on the board, if you take your time chances are DIRECTV won't even notice your were playing around inside of their equipment.

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The panel folds up to reveal an illuminated storage bin with a USB port.

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