How to connect laser pointer to computer?
When you're scrolling through slides in a presentation, you don't want to bind them to your computer and press the keys. So you need a wireless device. USB mice look perfect, but they have a drawback because computers don't respond consistently to mouse clicks. As we all know, the "back" click does cause the previous slide to be shown, but the context menu is shown. Sometimes you can customize this behavior, sometimes you can't. In presenter view, sometimes the mouse cursor must be somewhere on the second screen to launch the slide.
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Wavelength
It's pretty handy when you want to point out some high powered laser Pointers on a slide. To stand out on the screen, a green laser pointer is much better than a red one. But it is becoming increasingly difficult to buy green laser Pointers because of national or European safety regulations. In addition, on the one hand is a wireless mouse, on the other hand is a huge laser pointer, very inconvenient. This is especially true when mouse clicks do not behave as expected. When you use slides, you will use some of your own notebooks or some of the organizers provided by the conference organizer. In the latter case, there are several disadvantages: 1. The organization will treat your presentation as a file and you can do whatever you need with the file, and 2. The organization's computer may not have all the required software installed and the demo software may not be updated to the latest version. In particular, video data can be problematic: your video is running on your laptop, not your organization's computer (which happened to me a month ago). So I always like to use my own laptop. Now video projectors are smart enough to handle Windows and Apple laptops or laptops.
2021-12-03 10:22:02
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