Quietly tell you to note when buying factors projector - projectors, office equipment - office supplies industry

Quietly tell you to note when buying factors projector - projectors

, office equipment - office supplies industry

Today, along with Projector The rapid popularity of the projector industry has been growing more and more used in the field. Consumers on the projector is also a deeper understanding, but as an ordinary consumer wants in the market near dozens of brands and hundreds of models of projectors, select a cost-effective products that probably still higher a certain degree of difficulty.

So, how can an array of products in the market to buy to a price, performance and other aspects are very suitable projector then? I now come to give you support to Return Weapon, hoping to help you.

Before you buy the projector must be on a better understanding about all aspects of projector performance and market conditions, etc. In addition, some of the consumers themselves should also be considered such as use of space, size, use of the environment is good or bad, installation and the projector's resolution and brightness requirements, and so the situation should be taken into account. This will not be tricky business , and can buy a real bed of roses in the projector. The following briefly summarize for you to buy the projector should take into account several aspects, with a look.

1, the volume weight: Purchase of the projector, the first such factors should be considered. If the projector is used on the office, the weight can not be considered, but if you want to use the projector to go out so often demonstrated, most of the time, had to carry the projector, then the bulk weight is the first consideration.

2, scan range: According to specifications given on the horizontal scan frequency sweep range, from selected high, medium and low frequency, calculate the three frequencies corresponding to the image resolution. Check the projector in the three resolutions, it can display properly. Line if there is not synchronous, that is twisting the screen, or jitter, indicating the level of scanning to track bad.

3, Focus Features: Using internally generated test projector box, or signal generator, computer-generated test box, the focus transferred to the best location, the image contrast from low to high changes observed horizontal and vertical grid lines are reluctant to leave focal phenomenon, and if so, it indicates poor focus performance.

4, video bandwidth: Video bandwidth directly affects the details of some of the video. Signal generator with a computer or a projector can produce the highest resolution white graphics signal, observed the smallest characters on the screen graphics are clear. Video bandwidth, such as lack of side machine, the screen shows a more solid lines, while the vertical lines made false, obscure image detail.

5, the picture quality: High-quality projection screen is essential, should the purchase consideration projector. One with excellent picture quality of the projector, the screen should be structured, such as black should be black, not dark gray or even "Blue Black" (in particular, show that when the hair or other materials); displayed text should be clear and sharp.

6 Installation: Projector installation type is cast into the table, table-type rear projection, ceiling rear projection. Is the audience vote is the projector on one side; projection is the same screen with the audience at both ends. If the temporary use, select the table type is cast, this approach influenced by environmental light, layout messy. Such as fixed using the option of ceiling mode. If the larger space, civil co-ordination arrangements from time to time, choose the best overall projection methods, such as less space, optional rear refraction method.

7, Resolution: Resolution of the projector is connected with the computer inseparable. To help you buy the projector projecting the most perfect demonstration effect occurs, suggest that you will buy the projector and display device resolution to the resolution of the same, so as to achieve perfect results.

8, brightness: Average user in choosing the projector, the main stay in the brightness of the eyes. Projector brightness is one of the major performance indicators, it has a direct relationship to the viewer is able to clearly identify the on-screen graphical text. Currently, the mainstream market brightness projector products are mostly in about 2000 to 3000 lumens.

9, light bulbs: As the only consumable materials projector is the projector must be considered when choosing an important factor. Current projector is widely used metal halogen bulb, UHE lamp, UHP three light bulbs. As the UHE lamp has the advantage of affordable, used almost 4000 hours before the brightness does not decay, UHP lamp is an ideal source of light, but expensive, generally used for high-end projectors.

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