Today, technology is widely used in the teaching of educational institutions and has achieved the desired results.
Here, the importance of presentation and presentation is introduced.
Technology plays an important role in today's education.
Class projects are used to show illustrations, images, etc.
This makes learning more attractive.
More and more educational institutions are looking for projectors that can engage students.
However, we advise them to think about something before they venture to buy the projector.
First and foremost, consider the picture when you buy a projector for educational purposes for your school --
It should bring attractive images to learners.
To do this, you need to think more about it.
Consider the lumens factor of white brightness and color brightness.
High contrast-
The contrast is quantitative, the image is rich, and the details are clear.
LCD technology can provide up to: 1 contrast, make sure to check if it has the ability to turn on/off immediately after the trigger.
Simple connection to audio is important.
Resolution resolution is the number of points in the image.
The higher the resolution, the better the image quality, the lower the resolution, the lower the image quality.
There are two types of resolution: XGA, SVGA, WXGA, and HD.
The other set is the number of vertical and horizontal pixel lines that the projector is making.
SVGA corresponds to 800x600 and XGA corresponds to 1024x768.
So if you choose the SVGA projector, it will bring you an excellent image with a width of 800 pixels and a height of 600 pixels.
Connect check whether the projector is compatible with a USB device and has an important display port to connect the computer, TV and DVD player.
In the classroom, interaction is important for engaging learning.
The interactive power of the projector helps you to present and interpret content from different sources and create large or small interactive areas using interactive devices (
Interactive Pen).
The distance and the throw distance of the positioning projector are the distance between the projector and the image.
According to the room size of the playback projector, select short, long or short shots.
Image adjustment check if there is automatic adjustment.
No need to go to the menu to change settings and adjustments.
When the projector is not placed centrally, it may cause the image to tilt to one side.
Lens, image quality correction, etc.
Should be there.
Easy to use and maintain check the ease and convenience of operation and maintenance.
Also, check if after-sales service is available.
See how often they do it.
In addition, check the product for warranty.