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ViewSonic PJD7383i Projector ViewSonic PJD7383i
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Street Price: n/a
3D: PC 3D Ready
Weight: 7.7 lbs
Aspect Ratio:4:3
Color Wheel:6 segments
Lens Shift:No
Lamp Life:4,000 Hrs
6,000 (eco)
Lamp Cost:n/a
Warranty:3 year
Connectors:  S-Video, Composite, VGA In (x2), Network, USB, RS232, 12-Volt Trigger
Video Formats:  480i, 480p, 720p, 1080i, 576i, 576p

ViewSonic PJD7383i Interactive Short Throw Projector

Marc Davidson, January 11, 2011


Interactive projectors may not be common yet, but they're no longer unusual. The latest example is the ViewSonic PJD7383i , a DLP projector with XGA (1024 x 768) native resolution and an assortment of features that it shares with a growing number of other interactive models.

As with other projectors based on TI's interactive technology, the PJD7383i offers a short throw and an interactive wand that doesn't need to touch the screen. The combination minimizes the chance of accidentally casting shadows. And because the projector doesn't need calibration, you can quickly set it up for an interactive session after moving it. What makes the PJD7383i particularly worth your attention, however, is its extraordinarily low price, at $1099 street, with an educational discount also available.


It's interactive. As with any interactive projector, the interactivity is both a key feature and the only reason for getting the projector. If you don't need it, you can save money by buying an equivalent model without it. If you need it, however, you can save a significant amount compared to buying a projector and a separate interactive whiteboard.

Includes Everything you need. As you would expect, the PJD7383i comes with an interactive wand. It should work with any interactive software, but if you don't already have a program, ViewSonic provides ViewDraw, which will let you highlight, draw, write in freehand, and otherwise add annotations. The wand also works as a mouse and even includes left and right mouse buttons and a scroll wheel. One particularly nice touch is that the projector's remote also offers mouse control and a laser pointer, which comes in handy when you're not using the interactive mode.

No calibration. One of the benefits of the TI interactive technology in the PJD7383i is that it doesn't need calibration. When the projector throws an image, it adds a grid that's invisible to the human eye, but that the wand can see so it can tell the projector where it's pointing. Skipping the need to calibrate helps makes setup easier. If you store the projector in the back of the room, move it from room to room, or take it with you to give a presentation, it can shave a few minutes off of set up time, which will be particularly welcome if you're giving a presentation in someone else's office.

No need to touch the screen. TI's technology also gives the PJD7383i some other advantages. Because the wand only has to see the screen rather than touch it, you can use any surface as a screen, including rough surfaces that might harm a stylus, painted surfaces that might be harmed by a stylus, and a screen that's simply hanging from a support without a solid backing behind it.

Being able to interact from a distance also helps avoid casting shadows, since you can stand to one side of the screen or stand next to the projector instead of between the projector and the screen. In a classroom, you can even move to a student's desk without interrupting the session, or stand in the back of the room.

In our tests, the wand worked at about 30 feet from the screen. Keep in mind, however, that the further you are from the screen, the harder it is to control what you've pointing at. I found that trying to give a command by clicking from more than a few feet didn't work well. The attempt to click was usually enough to move the pointer off what I was trying to click on.

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Comments (1) Post a Comment
Dr. B Posted Feb 3, 2011 11:46 PM PST
great article.. most helpful

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