呼叫系統蜂鳴器方法：

 1.cmd命令：echo echo ^G>d:\w.bat(輸入時^G是組合鍵Ctrl+G輸入的)；

 2.雙擊D盤下w.bat即可，以後在其他檔案中引用可以複製貼上過去即可^_^

應用例項

::拷貝NAND image到電腦SD卡中
@:lab4
@echo.
@if exist "j:\" (goto continue4) else (echo 未檢測到SD卡，請插入SD卡 && echo )::此處空格是DOS驅動蜂鳴器的ASII碼
@goto main
@pause
:continue4
@echo 4 files to copy...please wait!
@if exist "j:\EBOOTSD.nb0" del "j:\EBOOTSD.nb0"
@echo 1.copy nk.bin...
@copy D:\WINCE600\OSDesigns\SBC8100\SBC8100\RelDir\SBC8100_ARMV4I_Release\nk.bin j:\nk.bin
@echo 2.copy MLO...
@copy D:\WINCE600\OSDesigns\SBC8100\SBC8100\RelDir\SBC8100_ARMV4I_Release\MLO j:\MLO
@echo 3.copy EBOOTNAND.nb0 and rename it as"EBOOTSD.nb0"...
@copy D:\WINCE600\OSDesigns\SBC8100\SBC8100\RelDir\SBC8100_ARMV4I_Release\EBOOTNAND.nb0 j:\EBOOTSD.nb0
@echo 4.copy XLDRNAND.nb0...
@copy D:\WINCE600\OSDesigns\SBC8100\SBC8100\RelDir\SBC8100_ARMV4I_Release\XLDRNAND.nb0 j:\XLDRNAND.nb0
@echo Copy files done!
@goto main