-
The standard in the United States is less than 5MW, and the standard in Europe is less than 1MW. less than 5MW, generally about 3MW; Less than 1MW, generally around the do. In this way, international standards can be met, taking into account fluctuations in laser power.
Only Logitech, Microsoft, and Nuowei comply with this standard for domestic sales, and it is said that Nuowei complies with this standard because they have product certification certificates. Most of the other small manufacturers make the power relatively large to meet the needs of customers who require brighter. But this is actually harmful to the eyes, and there have been reports in the news that children have permanently damaged their vision due to playing with high-power laser pointers.
If you buy it, Logitech on the market is basically an imitation of the Shenzhen factory, which is fake to put it bluntly. Domestic brands, Promise is relatively good.
-
Laser flippers are used when lecturing or giving speeches. It is to add a page-turning function to the original laser pointer, insert a signal receiver on the computer, when using Power Point (slides, presentations) to lecture on the projector screen, it will be very troublesome to turn the page with the mouse, as long as you point the laser page-turning pen, the slide will automatically turn to the next page.
For power, the power is different for different models, and there should be instructions on the product.
-
Hello, I am glad to serve you and give you the following answers: Laser flip pen is usually used to operate on a large LED screen, which is a remote control that can transmit instructions to a large LED screen. Common laser flipper models are:
Logitech R400 Laser Flipper, Logitech R500 Laser Flipper, Logitech Spotlight Laser Flipper, Logitech R800 Laser Flipper, etc. When using the laser flip pen, it is possible to encounter the situation that the flip pen cannot establish a connection with the LED large screen, which is mainly due to the fact that the device driver of the LED large screen is not installed or installed incorrectly. Workaround and Procedure Steps:
1.Confirm that the laser flip pen has been installed correctly and that the laser flip pen is short of sufficient power; 2.Check whether the LED screen has the correct driver installed, if the driver is not installed, you can install it from the official website of the device manufacturer**; 3.
After installing the driver collapse program, reinsert the laser flip pen and try to re-establish the connection; 4.If the above steps still don't solve the problem, you can try to reinstall the driver of the laser flipper, or reinstall the driver of the large LED screen; 5.If it still doesn't work, you can try using a newer laser flipper or a large LED screen to make sure the right connection is made between the devices.
Personal Tips:1Try to use the original laser flip pen and the large LED screen to ensure that the correct connection can be established between the devices; 2.
Update the drivers for the laser flip pen and the large LED screen as often as possible to ensure that the correct connection is established between the devices; 3.Try not to be in the middle of the operation.
-
Summary. Kiss! Hello, happy to answer your <>
Pro, a laser pointer is a small handheld device made using laser technology, mainly used for presentation or indication.
What is a laser pointer.
Kiss! Hello, happy to answer your <>
Pro, the laser pointer is a small handheld device made of laser technology, mainly used for demonstration or indication.
Kiss, for you to find out the main uses of the laser pointer: 1. Teaching demonstration: The laser pointer can be used for teaching demonstration, and teachers can indicate different objects, words or graphics through the laser pointer, so as to facilitate students to understand and master the content of teaching and learning.
2. Laser show performance: The laser pointer can also be used for laser show performance, and the laser beam of different colors and shapes can be used to deduce a more wonderful scene clearing performance. 3. Business Speech:
Business people can easily indicate the content of PPT slides during the speech through the laser pointer, which increases the fluency and effect of the speech.
Lotus is a raw aquatic plant, it is also a very common flower in life, the lotus is very beautiful, has a good ornamental value, there are many varieties of lotus, divided into three categories: flower lotus, seed lotus and lotus lotus. The lotus is a treasure, the lotus is warm, the taste is bitter and sweet, and the lotus leaf can clear the heat and relieve fever, ****; The lotus stem can ventilate and drain water, relieve fire and clear the heart; Lotus petals can cure heat and thirst; Lotus seeds can strengthen the spleen and stop diarrhea; The lotus core can clear the fire and calm the nerves; The lotus room can eliminate stasis and stop bleeding; Lotus root can also have the effect of stopping bleeding and dispersing stasis.
Hello, Fetion is a chat tool, you can use it through computer, mobile phone, SMS. If you are a Beijing mobile number, the Fetion service is free, but there are three types of charges when you use it: first: >>>More
It's hard to say anything about the dispersal.
Each came out of the **, and each came out to promote. Once the publicity period passed, it was gone. >>>More
He who manages the East China Sea also manages the rain.
The hunter went hunting, but he didn't expect to become the prey, and he was made into a hamburger, a satirical short film.