LPTControl 的用法,该如何处理

LPTControl 的用法
 LPTControl control = new LPTControl();
 StringBuilder builder = new StringBuilder();
  builder.Append("^FO496,0^GB0,440,4^FS"); 
                control.Write(builder.ToString());//打印
                builder.Remove(0, builder.Length);
                builder.Append("^FO424,0^GB0,440,4^FS"); 
                control.Write(builder.ToString());//打印
                builder.Remove(0, builder.Length);
                builder.Append("^FO175,0^GB0,440,4^FS"); 
                control.Write(builder.ToString());//打印


我就想问下"^FO175,0^GB0,440,4^FS"  各代表什么意思，谢谢

标签?c#
[解决办法]
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http://wenku.baidu.com/view/7fe8db3010661ed9ad51f3c8.html