Buy
Projector
Before within the following aspects:
One source of input signal source based on the nature in the show, are generally broken into general video projector, digital machines, graphic machines categories. Only show all
TV
Signal, choose common video machines; to present VGA output signal, available line frequency 60KHz following data projector, decide on the number of machines, so as to conserve resources, be appropriate, the projection often is the actual content of the decision to obtain what grade projector, if for example the show depends on the complete teaching of software and word processing-based, then choose a resolution of 800 * 600 (SVGA); if necessary higher, will have to simply find the XGA (1024 * 768), industry presently there were SXGA (1280 * 1024) products, the long term will also gain the UXGA (1600 * 1200) products, when showing high-resolution graphics signal, to select the row over frequency within the 60KHz digital machine.
2, clearly an important specifications. Leading to a buying of the projector, the projector must first clear the essential indicators belonging to the three basic techniques:
1) ANSI lumens brightness international standard units (AmericaNationalStandardInstitute), resolution of the subsequent:
The space amongst the projector and screen: 2.4 m; screen is 60 inches; pure dark environment, projection screen using a metering document measuring the brightness of 9 points; calculate the average brightness of 9 points is definitely the ANSI lumens. Some domestic manufacturers nominal peak lumens brightness, the particular nominal amount of brightness isn't really high, users need to be distinguished.
2) Weight. If the main application for teaching or
Business
This model should select an easy, portable: 2.3 ~ 3kg; Ultra-Mobile: 1 ~ 2.3Kg, if utilized in industry
Monitor
Ought to choose an improved heat dissipation or long boot models, but you don't call your weight. Professional high-brightness projectors weighing 50kg or maybe more in many.
3) Resolution. If for example the show will be based upon the entire teaching of software and word processing-based, then pick a resolution of 800 * 600 (SVGA); in case the main connection
Notebook
Or request higher, need to discover the XGA (1024 * 768); If you need to show
Geography
The complex network of internet data, or graphics, recommended SXGA (1280 * 1024) or UXGA (1600 * 1200) products, when showing high-resolution graphics signal, to decide on the row over frequency in the 60KHz digital machine.
Third, comprehend the market. Domestic
Business
Application projector market version of low concentration, is often split up into three grades. First Team: E
PS
ON, TOSHIBA, INFOCUS, SANYO, ASK, SONY, PHILIPS and so on; Second Team: BENQ,
PA
NASON
IC
, Morningstar,
NEC
, 3M, above 30 brands; you'll find 10 several recent market brand. Industrial applications projector brand is relatively small, at 3
DLP
Mainly within high brightness BARCO of Belgium and the Usa Chriestie represented, which includes PANASONIC other brands have similar products from the three
LCD
SANYO serves as a leading the concept of high brightness, a very high reached 10000ANSI lumens brightness.
4, remove the goal of use. Projector can be a relatively high tariff of the product, so clearly the chief purpose, targeted buy projectors that can conserve your funds, reducing unnecessary trouble later.
Mainly utilized for teaching or training if, must select a resolution of 1024X768, as per the environment plus the projected area how big the 1500-3000 lumens brightness selection of products, if not fixed installation option 3kg about products.
When the main application
Mobile
Office and business conference calls, should pay attention to select products transportable, single-chip DLP products as optical weight are often very tiny and simple, we already have about 1kg of product, half how big the A4 paper.
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