I am trying to get my projector in my class room to project in widescreen so i can use the white board and a tablet at the same time to write on my board but whenever i try to get the widescreen input to turn on it is 'faded' so i cannot select it. i have my computer sending it a widescreen picture( my secondary monitor is set to be a widescreen) but it stil will not allow me a widescreen input. thankyou so much firstname.lastname@example.org
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There are times in a classroom when using a regular projector or transparency projector just aren't the right tools for the job. In these cases you might consider using a document camera to project a paper on to a screen. The main benefit for this method of presentation is when you are presenting something that you will be drawing on, but there are also other benefits that it can be used for.
There are many features on document cameras that many beginning users don't know about or take advantage of. Taking advantage of the features can make you a better presenter and a better teacher.
Document cameras are able to be used as a live camera. If you have students making a lot of presentations and if your document camera has a swivel head you can use it to project the student on to the board. This will make it easier for students in the back of the room to see the presenting student.
Using the document camera as a live camera can have more benefits than just projecting on the screen. Most document cameras have the ability to capture images, this can be useful for documenting a students progress and projects. It can also be used to show parents how their child is doing in school at parent teacher conferences.
Some students I have found have a fear of presenting and prefer to record themselves and play the video to the class. With the document camera you can record the students presentation and then play it back in class.
It is unavoidable that occasionally students will miss classes and it can be very difficult for them to catch back up especially in math and science courses. Using a document camera you can record your lessons and create short videos that explain concepts just as it was presented in class. These videos can be useful in catching up students because they will see the video just as if they had been in class.
A side from helping students to success in class document cameras can be used to engage students in class. In social studies a blank map can be placed under the camera and projected on a white board, students can be called up to write on the board. The same can be done by projecting lined paper so they can write straight, or the math equations to be answered on the board.
Using a document camera in a classroom the options are endless. There are hundreds of things that can be done and there are always more to be discovered.
1,white spots appeared on screen,means the DMD is broken,you need a new DMD.
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If you are plugging in a monitor cable, it is most likely a cable issue. I would try another cable and make sure the cable is seated firmly into the projector. If that doesn't help, check the port on the projector for bent or missing pins because it seems that not all of the video information is reaching the unit.