Wednesday, November 5, 2008

How to Use a Data Projector

Using a data projector can be very simple and easy or it can be a rigorous challenge, depending on if you know how to use the piece of machinery. As a college student working at a technical facility that rents out laptops and data projectors, I guess you can say that I know a thing or two about data projectors. First let me tell you about their various uses, functions and how to operate them.

Data projectors are meant to project an image on a wall or big screen. Where do these images comes from you may ask? Well, have you ever wanted to give a presentation in your work office or a classroom presentation on a college campus but didn't know how to show the image and slide presentation from your computer to the rest of your class? A data projector is what you need. The data projector takes the image from the word document, Excel, slide show presentation or an internet website or clip and can show it to the class on a large projector screen that comes down out of the ceiling in college classrooms or it can be projected onto a carry on screen that ranges from 6 to 12 feet in height.

How is this done?

Very good question. First the data projector should come with a cable called the VGA cable. This VGA cable connects from the back of your laptop to the side or back of the data projector, depending on where the outlet for the cord is. Both ends of the VGA cable look exactly the same and are the same so it shouldn't matter which end you put where. The VGA cable has a small knob where the plug goes into the laptop or the data projector. This is used to tighten the grip of the cord onto the laptop or data projector. The data projector also comes with a power outlet cord. One end of the cord looks like a regular plug that goes into the wall outlet for the electricity to turn on the data projector. The other end looks similar to the cable end of the data projector and hooks up into the other outlet end of the data projector. The data projector usually only has two sockets so you can't miss where to put the cords in.

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