1.No signal 没有信号

A: Why is there no signal?

B: Push the Function key and the F4 key at the same time.

A：为什么没有信号呢?

B：同时按住功能键和F4键。

2.Power outlet 电源

A: Where is the power outlet?

B: It’s usually on the wall. But it seems to be under the table in this room.

A：知道电源在哪吗?把商务英语页面加入收藏夹

B：一般都是在墙上，但这个房间的好像是在桌子下面。

3.Power strip 电源插排

A: I think we need a power strip.

B: Okay. I’ll get one right now.

A：我想我们需要一个电源插排。

B：好的，我现在就去拿一个。

4.Make sure 确认

A: Mike， please make sure that the projector works.

B: I checked twice already.

A：迈克，请确认一下投影仪是不是好用。

B：我已经查过两次了。

5.Turn on the projector 开投影仪

A: How do you turn on the projector?

B: Push the power button. It’ll take a while before the projector is ready.

A：怎样开投影仪啊?

B：按下开关，投影仪开始工作之前要预热一会儿?

1.Back up 后退

A: John， could you back up one slide please?

B: Sure.

A：约翰，请退回到上一页好吗?

B：好的。

2. Connect the projector to the computer 把投影仪连接到电脑上

A: How do you connect the projector to the computer?

B: Use the cable. Connect one end to the projector input， and the other end to the computer output.

A：你知道怎样把投影仪连接到电脑上吗?

B：用这根数据线，一边连接投影仪的输入口，另一端连接电脑的输出口。

3.Get out of the presentation 结束演示

A: How do you get out of the presentation?

B: Push Esc， and you’ll be out of the presentation.

A：能告诉我演示完毕怎样退出吗?

B：按 Esc 键，你就可以结束演示了。

4.Input selection 输入选择

A: How come I cannot get the signal?

B: Did you play with the Input Selection?

A：我这儿怎么没有图像呢?

B：你调整输入选择了吗?

5.Plug it in 插电源

A: Did you plug it in?

B: I did. It still dosen’t work.

A：你插电源了吗?

B：插了，但还是不好用。