However, you can change any of the colors using color codes denoted in the hex range, prefixed with the letter x. The format for the hex codes are.
但是，可以使用颜色编码指定任何颜色，颜色编码以字母x开头，用十六进制表示。
The head reads the codes two-dimensionally, decodes them and transmits the exact X and Y position to the higher-level control.
读码头进行二维读码，解码，向控制层传输确切的X和Y轴位置信息。
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