You also have instructions for a curtain up and curtain down sound with the files to be played at the start and end of the act.

在幕的开始和结尾播放的文件指示了幕布的拉起和放下。

youdao

But upon start up, only the checkerboard pattern displayed, not the expected introductory screen with instructions.

但是启动之后只能显示黑白界面，没有使用说明。

youdao

As soon as the wake-up music begins, printers start chattering out instructions for the day ahead.

唤醒音乐一响起，打印机就开始输出这一天的工作指示。

youdao

Worse, the bug disabled essential instructions that tell the PC how to start-up, effectively reducing machines to an unusable empty shell.

CNN: FROM THE WEB