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2010-08-24 , 02:22 صباحاً
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Optoma PK102 Pico Pocket Projector



يشغل الرسيفر البلاي ستيشن الاكس بوكس الجوال اللاب توب الكاميرا واي شي يتوصل للتلفاز :z-attack:





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For any given projector brightness, the smaller the image the brighter it will be, making the details easier to see.

The similarity shows on the outside too, with the bottom of the projector defined by rubber feet that help keep it from sliding around; the front defined by the lens on one of the 2-inch sides; and the same elegant look, with rounded corners and a sleek black case with silver highlights. One welcome difference is a matte black finish that replaces the PK101’s shiny black, so you won’t leave obvious fingerprints or smudges on the case.

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The big news for the new model: the addition of a VGA connector, so you can use it with a computer too.

The projector comes with a battery, a power cable, two data cables, and one video cable. The data cables plug into the proprietary connector, with one offering a USB connector on the other end, and the other offering a DB-15 to plug into a computer. The video cable offers a miniplug connector on one end for the AV IN connector, and three female RCA phono plug connectors on the other, so you can plug in a standard combined composite video plus audio cable between it and a video source.

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The projector comes with a battery, a power cable, two data cables, and one video cable.

The first step for setting up the projector is to charge the battery, which Optoma says can take up to 2.5 hours. (Battery life is 1 hour at the high-brightness setting—which is what you’ll probably want to use most often—or 1.5 hours at the low-brightness setting). You can also use the projector while it’s plugged in, but, of course, that means having to carry the power block with you, which makes the projector a little less portable.)

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The PK102's overall image quality is very much in the same category as most other pico projectors we've tested.

The manual is stored in the projector’s 4GB of internal memory. The way to “download” it is to connect to a computer’s USB port, let the computer recognize the memory as a disk drive, and then navigate to the User Manual folder and copy the file to your computer. While you’re connected, you can also install the Optoma Media Converter from the projector’s memory.

The point of the memory is to let you store photos, videos, and even presentations (in the form of JPEG files) on the projector itself, so you don’t have to carry anything else with you. Optoma Media Converter will convert most file formats to the formats and resolution the PK102 can handle. You can then copy the converted files to the projector’s memory, disconnect the projector, and leave your computer at home.

The PK102’s overall image quality is very much in the same category as most other pico projectors we’ve tested. Keep in mind too that there are other issues besides brightness that can affect how good an image looks at a given size. In particular, the PK102 has a tendency to lose details in dark areas. For any given projector brightness, the smaller the image the brighter it will be, making the details easier to see.

One other shortcoming for the projector is its audio—or lack of it. Even at top volume, it’s hard to hear sound from the built-in speaker in a quiet room. Add some ambient noise and you definitely won’t hear anything. Since there’s no audio output, you won’t have much hope of hearing the sound for, say, a video clip stored in the projector’s memory. And if you have hopes of, say, watching a movie stored on another device, like your iPod, make sure you have another way to listen to the sound


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