![]() ![]() ![]() You can also step back and interact from some distance. ![]() In addition, because the pen only needs to point at the screen, much like a laser pointer, rather than touch it directly, you can stand at one side of the screen and interact with something on the other side simply by pointing to it. Some competing products don't have this advantage. Move the projector, point the pen to the same place in the image, and the projector will know that you're pointing at the same pixels. Because the S300wi knows where the pen is pointing relative to the pixels in the image itself, rather than relative to the screen, it has the advantage of eliminating the need to calibrate the image to the screen. This is geared towards educational use, but it works just as well as an interactive annotation program for business. For software, Dell includes eInstruction INTERWRITEWORKSPACE. The grid is invisible to the human eye, but the pen can see it, so the projector knows exactly which pixels the pen is pointing at.Īs you would expect with any interactive feature, you can use the pen both as a mouse and as a drawing tool to let you write notes or annotate existing documents. The S300wi uses interactive technology developed by TI, which is based on the projector superimposing a grid on the image. Interactivity is the S300wi's major attraction and the only argument for spending about a third more for it than for a comparable projector that isn't interactive. ![]()
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