Which Projector Is Right For You.Doc


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We are in to Lcd Projector/Lcd TV/Plasma. Sales Rental Hire & Repair Services from last six years and learned through experience the Importance of Presentation
Today’s highly competitive business environment Presenters are always looking for ways to get an edge on the competition, and maximize the entire presentation experience.
Our approach is simple: To provide you with the equipment and expertise on scheduled Time and Date to make your event effective and look better,

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Which Projector Is Right For You.Doc

  1. 1. IT GEAR.IN. Shop no 14, Sakhai plaza, Nr. Kothrud Tel. Exchange, Kothrud, Pune, India. Land mark- Shree Shivaji Statue. Telephone -020-66021475, Hand Phone - 9850557001.E-mail Id-response@itgear.in Which Projector is right for you? Which Multimedia Projector is right for you? Company-in-Confidence 2 There are a huge variety of projectors to choose from in the market today. What is important? is to select the projector that is right for you. When comparing projectors, keep in mind the features that are more important to you. Sometimes a trade off becomes necessary and making a list of features in order of priority would be a good idea. Only you can decide which projector is best for you. The first trade-off you'll confront is between cost and performance. Tell your vendor up-front whether price is an issue. That way he can steer you toward lower-priced projectors. But don't expect cutting edge performance - as with all things electronic, performance comes at a premium. Of course, if price isn't an issue, there are plenty of high-performance projectors to choose from. For any projector to make an impact (that's what you're buying one for - Right??), great image quality is a prerequisite. Image quality could be subdivided into - Brightness, Contrast, Brightness uniformity and Colour reproduction a. Brightness The brightness you need depends on the screen size and the kind of environment you usually project in. Projecting on a large screen or in a brightly lit room requires high brightness projectors. Generally speaking -
  2. 2. 450-650 ANSI lumen can be seen in a dimly lit room 700-1000 ANSI lumens can be seen clearly in a partially lit room. Above 1000 ANSI lumens are preferable in a room with all the lights on. When you're comparing brightness, you should know that not all manufacturers measure brightness in the same way. At times you may find projectors with ANSI brightness of 1100 Lumens & peak brightness of 1500 Lumens. The peak brightness is an incorrect way of comparing the brightness. In a recent study conducted for 35 projector models, it was found that the ANSI Lumen measurements tended to average 20% to 25% below the official rating for the product, with a few products measuring 35% or more below their official ratings. In this study only one product - an Epson projector - measured higher than its official rating. Hence to choose, it is always more accurate to set the projectors side by side (projecting similar images at the same size and onto identical screens) and have a look for yourself. Finally, screen materials make a difference in how bright the image appears. Avoid projecting on reflective surfaces. For all projection systems it is essential to avoid having direct light falling on the area of the screen. b. Contrast Contrast ratio is the ratio between the brightest part of the projected image and the darkest. It contributes to the depth of an image, and is especially important for projecting video images. Again, not all manufacturers measure contrast in the same way. At times you may find projectors with ANSI contrast of 300 : 1 & a consequent full on/full off contrast of 800 : 1. The full on/full off contrast is an incorrect way of comparing the contrast. Again a side-by-side comparison is the best way of making out the difference. 1. Price 2. Image quality
  3. 3. Which Multimedia Projector is right for you? Company-in-Confidence 3 c. Brightness uniformity You want your projected image to look good all over, and that is where brightness uniformity becomes important. As you compare projectors, notice whether the illumination is even from corner to corner and edge to edge of the screen, or if it's brighter in the centre and darker in the corners. A brightness uniformity of over 85% is desirable. d. Colour reproduction LCD projectors use three transmissive LCD panels to project an image; DLP projectors use one or three Digital Micromirror Device (DMD) chips. The more panels or chips, the better the image, especially when it comes to colour saturation. Colours in three-panel or three-chip projectors are much brighter and truer than those from one-chip projectors, because they colourise images with dichroic mirrors and RGB colour filters instead of rotating colour wheels. Colour reproduction can best be judged by a simultaneous comparison of the projector’s images. Some projectors just do a better job of displaying colours than others. This could be measured in the following categories. 1. Ultra-Portable Projectors - 3.5 kgs and lower 2. Portable or Conference Room Projectors - between 3.5 to 4.5 kgs 3. Fixed Installation Projectors -Weight > 4.5 kgs Newer generation, ultra-portable projectors project images at upto 1200 ANSI lumens. The conference room projectors feature higher brightness levels - 1200 to 2000 ANSI lumens. Fixed Installation Projectors on the other hand are generally 2,000 lumens and higher. The types of available projector lamps are: Halogen lamps - 400W Metal halide lamps - 270W
  4. 4. UHP (Ultra High Pressure) or UHE (Ultra High Efficiency) lamps - 120 - 250W The latest series of projector’s use UHP / UHE lamps with inert-gas discharge technology. Typically UHP / UHE lamps have a life of 1000 - 2000 hours. (ie. the duration for its brightness to reduce by 10%). A few manufacturers still mention the full life of the lamp (typically the time taken for the lamp to die completely) or lamp life using eco-mode (life of lamp by using it at 75% of its strength). The right way to evaluate the lamp life is to consider the duration for its brightness to reduce by 10%. The easier your projector is to use, the less of your time and concentration it will require. Comparing ease of use is not difficult. Just look for these characteristics 3. Portability 4. Lamp / Lamp Life 5. Ease of use Which Multimedia Projector is right for you? Company-in-Confidence 4 a. Remote Control A remote control offers the most convenient way to run your projector while making a presentation because it allows you to make image adjustments and control projector functions from anywhere in the room without having to touch the projector. Another feature that is helpful is remote mouse control. Make sure the remote enables full, fluid motion of the mouse at all points on the screen. Some projectors offer presentation tools built into the remote. These could be software driven (which means you have to load the software on your laptop), or could be a part of the projectors firmware. Ideally, the projector you choose will offer a remote that combines all these functions b. The input panel
  5. 5. Input panels can be intimidating. Look for a well-labeled panel. Also think about how many connections you really need. You probably need a computer connection, audio, video and Svideo inputs. Try to get only what you need because additional inputs only make the projector larger, and if you won't use them, that's a waste of space. Are all the cables you need provided with the projector you are considering? Some projectors include a quot;loop-throughquot; feature that allows you to connect a separate, external desktop monitor to your projector (not required if you are using a laptop for your presentations). This is a handy feature that allows you to view what you are projecting without having to turn your back to the audience. Having a projector that's compatible with your input sources is critical. Hence the TRUE RESOLUTION of the projector is an important issue. While selecting a projector, you need to know your image resolution requirements. Check the current resolution of your display monitor by looking at the quot;display settingsquot; of your computer. Common resolutions are 640 x 480 (VGA), 800 x 600 (SVGA), 1024 x 768 (XGA) and 1280 x 1024 (SXGA). You may want to think ahead about what your next computer will be and determine if the planned projector will handle your new computer's display resolution. Most new computers today are 1024x768 (XGA) display resolution. Laptops are 800x600 (SVGA) or 1024x768 (XGA). Some higher performance computers are using 1280x1024 (SXGA) resolution. For most applications 800 x 600 is usually sufficient, but if you find yourself using higher resolution computers, look for a projector whose true resolution matches that of your computer. Projectors today will handle their native resolution and usually also resize the next higher
  6. 6. level resolution. This feature is helpful if you upgrade your computers or use the projector with 6. Cables 7. Loop through 8. Computer compatibility Which Multimedia Projector is right for you? Company-in-Confidence 5 a new laptop. Lookout for projectors that are compatible to two resolutions higher than its true resolution An important part of selecting a system is to know what kind of service you can expect from the vendor should anything go wrong. Find out how long it will take to get the unit back if repairs are necessary and if a standby would be provided. Is the vendor an authorised service centre of the projector manufacturer? Does the vendor carry spares and trained, technical people? Ideally, have someone from your office visit the vendor’s office or service centre to have a first hand feel of the quality of service that you would receive. Check your projector for Panel-on-Prism. This eliminates the high risk of pixel misalignment after a couple of years of use (found in traditional LCD based projectors). Projectors that use Panel-on-Prism never encounters such problems since the LCD panels are fixed directly on the prism, thus eliminating any potential panel movement. Check if the projector has digital keystone correction. Keystone correction lets you square up The image and eliminate the trapezoidal shape when you are projecting at an angle. Remember that all digital keystone adjustments require a rescaling of the image. Hence it is a great feature for PowerPoint presentations that consist of pie charts and bulleted items and also for graphics or photographs where rescaling has little effect on overall image clarity.
  7. 7. However, it significantly fuzzes detailed data such as financial reports on an Excel Please contact at- It gear. In Shop no 14, Sakhai plaza, Nr. Kothrud Tel. Exchange, Kothrud, Pune, India. Land mark- Shree Shivaji Statue. Telephone -020-66021475, Hand Phone - 9850557001.E-mail Id-response@itgear.in