红外发射程序的关键是定时时间到时调用中断程序来产生载波信号，对按键信号和载波信号进行调制。

The key of the infrared sending program was calling the interrupt subroutine to produce the carrier wave and modulate it with the key signal.

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用户可以使用驱动程序和配置软件将这些信号绑定到任何按键，这使得NIA可以在任何游戏里代替所有键盘命令。

The user can bind these signals to any keystroke using the driver and configuration software. This allows the NIA to take the place of any keyboard command in any game.

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显然，对于这种问题有线设备是近似无干扰的：没什么会阻止按键的电信号沿着线输入到你的电脑。

For obvious reasons, wired devices are near-impervious to this sort of issue; there's nothing stopping the button's electrical signal from reaching your PC along the way.

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