1/19/2024 0 Comments Overhead projector mirrorYou can’t use it if the power supply is lost.Spontaneous content improves the viewer’s attention.Do not move the overhead projector during the presentation.Use a water-soluble pen if you want to re-use the transparency.Use colored pens, coins, and pointers to emphasize the points.You can show group discussions on the sheets for better communication.You can add notes with the presentation or you can display them in parts as well.Use the stage as you use a chalkboard i.e., transparency pen on an acetate sheet.Use the ON/OFF switch according to your requirement.Presentation Techniques for Overhead Projectors You can also wash the sheet with soap after your class. The new sheet also has pre-printed material. Once the transparent sheet is full, replace it with a new sheet. It saves your time and also keeps a flow in the presentation. You can pre-print the content on the sheet and can write on it while presenting. Overhead projectors provide an interactive environment for teachers and students. That’s why modern LCD or DLP have efficient arc lamps. Also, the halogen lamps barely last up to 100 hours. So to avoid melting, a high-flower bulb is in use. Some Overhead projectors have high-power lamps which consume up to 750watt. The wheel helps to move the lamp as required. High-quality projectors provide an adjustment wheel. As a result, fringes appear around the edges of the screen. The mirror does not keep the correct focal distance if placed too high or too low. If you want to change the image size, you can change the mirror height. The mirror shows the image to presenter and the audience. Light travels through transparency and shines on the mirror. Transparencies are at the top of the lens. It has a long arm above the box, where a lens and mirrors redirect the coming light.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |