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Your Home Theater – Choosing a Projector – Part Two

Your Home Theater – Choosing a Projector – Part Two

Is the process of researching and purchasing a home projector driving you around the bend? In this, the second part of choosing and buying a projector we look at the remaining factors that you need to pay attention to when putting together your home theater.

Luminance is measured by lumen rating and more is not always better. Because of differences in technologies of the projection equipment (and the screen quality) the lumen ratings are irrelevant and meaningless.

It is possible to have a projector rated at 750 lumens to be brighter than one rated at 1500. What you want is good bright renderings without undue eyestrain.

The best way to determine how many lumens are required for your room is with a projection calculator. The calculator assumes your room is relatively dark. You can see that there is usually a fairly large “green area” on the scale (of the calculator, see the link below) giving some amount of freedom to make adjustments without undue image degradation.

Contrast is probably the most important factor in the ability of a projector to produce deep, rich, color saturated images with good shadow definition. Good contrast is what makes video “come alive” in almost three dimensional splendor. Contrast is measured in a ratio usually from about 2000:1 to 10,000:1 and the higher the better.

To take advantage of a high contrast machine you will ideally have walls and ceilings painted in a darker color and a high quality screen.

How well a projector fits your room is of the utmost importance. For activities that need a brighter atmosphere (some games and activities such as Wiifit) you may have to concentrate the imagery (shrink the viewable size) on the screen. For this a zoom lens is needed. It’s best not to have to rely on using a zoom at the full extent (zoomed all the way out) of its range as image quality will suffer.

Lens shift is also an excellent feature to have if you can’t line the projector up square to the screen. If you have to set the screen at an angle (both up and down or side to side) to the projector a shift lens will project an image without any distortion.

The final determining factor in choosing a home theater projector is cost. Not only the cost of the machine but the price tag and lifespan of the bulbs.

Bulbs generally cost in the $250. to $500. range and are rated from 2000 to 4000 hours. The bulb rating is its maximum lifespan and usually its diminished output as it ages requires replacement before that time.

You may find that a smooth white wall works just fine as a screen at first and a lack of funds may reinforce that belief but at some point you’ll probably want to upgrade. Decent screens start around $100. and depending on bells and whistles can go up to about $1500.…

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Computerworld India Gives Latest Know-how News, Analysis, Opinions, Interviews, Case Studies, Slide Exhibits, How

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Preventative Maintenance for an LCD Projector

Preventative Maintenance for an LCD Projector

Projectors are not inexpensive – even though they have dropped considerably in price over the past decade, these devices still require a significant investment for a high quality machine. If you’ve chosen to own a projector as opposed to renting projectors on an as-needed basis, here are some tips you need to know in order to keep your unit in top working condition.


Store your projector properly between uses. Ideally, if you’ve invested in a high quality projector, you would be using it at least weekly, in order to justify the high investment cost. But if you find you are not using your equipment quite as often, you would be wise to store it in a case, in order to prevent dust from building up alongside sensitive working parts.

Bulb Replacement

Don’t wait until your bulb blows out to find a replacement. In many cases, you will have to order replacement bulbs online and await their arrival, so you’ll want to have replacements on-hand when the inevitable occurs (otherwise, you’ll pay a fortune in overnight shipping, or run the risk that the bulb you need is out of stock). Replacing a bulb requires a steady, gentle hand, plus the manual for your specific projector unit. How often you will have to change the bulb depends on many factors, including what kind of projector you own, how often you use it, and whether or not it is used for extended periods at a time.


Be sure to read your owner’s manual carefully – removal of certain parts or panels by anyone other than a certified repair specialist may void your warranty. Be forewarned – repairs can be expensive.

Prepare a Plan B

What is your backup plan in case your primary projector is not functioning when it’s time to prepare for your big presentation? A rental projector (from a company who offers guaranteed next-day delivery) may be your best bet for a backup plan. Always test your equipment a day or two in advance, so that you can make any necessary repairs, secure any replacement parts you may not have on-hand, and call in a backup plan if necessary.

For occasional use, renting a projector is often much more affordable and cost-effective than purchasing a unit outright. Whether you need a plan B or it just makes sense financially — renting a projector when and where you need it is the most cost-effective solution for most businesses.…

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Three Things Every Computer Savvy Independent Consultant Must Know

Three Things Every Computer Savvy Independent Consultant Must Know

As an independent consultant you must be constantly concerned about personal development and continuous growth. If you aren’t you will be passed by those who are. In this mission, the personal computer remains an essential tool in the independent consultant’s toolbox. If you were actively working in this occupation during the 70’s and 80’s, you realize how arduous it was in maintaining contacts with your clients, preparing individual proposals, letters, and articles as well carrying out other related activities. The effective use of technology has made your work a lot easier and allowed you to become more productive. However, if you are new to this occupation, be thankful that you didn’t have to experience that state of affairs.

In becoming more productive, three things are essential in using your personal computer: learn to use the keyboard effectively and cease being a slave to the mouse; learn to keep your computer fast and clean, and therefore minimize the possibility of instability and crashes; and learn shortcuts for your commonly used programs and operating system.

For your operating system, here are three keyboard shortcuts for the Windows key:

Winkey + F – To search for a file

Winkey + R – To open the Run window

Winkey + E – To open the computer

Keeping your computer fast and clean is also a necessity. Here are five strategies for doing so:

Uninstall Unneeded Software. RevoUninstall is one of the best programs for doing so. I highly recommend it.

Declutter and organize your desktop. Set up an Icon labeled “Extra Icons” on your Desktop and sweep all your little used icons into it.

Reduce the number of Auto Starting Programs. Go to “Run” type in msconfig, go to Startup and uncheck all the program you don’t want to be loaded during Startup.

Update your Programs regularly. Go to Control Panel. Look for Update and click to see what programs need to be updated.

Clean up your Registry. CCleaner is one of the best programs for cleaning up your registry and is another one I highly recommend.

Both RevoUninstall and CCleaner are free programs.

If you use Gmail (and if you don’t, you should consider doing so), here are some Gmail shortcuts:

Shortcut Key, /, search – puts your cursor in the search box

Shortcut Key, g then c, – lets you go to “Contacts”

Shortcut Key, g then d, lets you go to “Drafts”

Shortcut Key, g then i, lets you go the “Inbox” or returns you to the “Inbox”

And finally, here are five tips for saving time when using Vista:

CTRL + ESC – Opens the Start menu

CTRL + Shift + ESC – Opens Windows Task Manager`.

ALT + TAB – Switch between open windows

ALT + SPACEBAR – Opens the shortcut menu for the active window.

These are just a few of the keyboard shortcuts and strategies that allow your computer to be friendlier and help you in your personal development and growth as an independent consultant. There are many more, but these are just a few of the ones I use regularly.…

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Aftermarket Halo & LED Projector Headlights Information

Aftermarket Halo & LED Projector Headlights Information

Aftermarket projector headlights are favored by car enthusiasts as the number one first modification on their vehicle. The reason is because most car manufacturer do not come equipped with projectors and it usually available in regular reflective headlights. Also, aftermarket headlights feature custom styling with Halo (Angel Eyes) and LED lighting. Aftermarket projector headlights are popular by providing a distinctive look and custom styling that matches your car or truck nicely.

Many aftermarket projector headlights is available in different style and housing color that you can choose from. Two of the most popular and favorite housing is chrome or black. The chrome housing projector headlights give the overall vehicle a different look adding the shining chrome feel to the touch of the headlights. In another hand, the black housing projector headlights are more popular in Japanese cars and trucks because of the JDM look that is not available in the US market from the car manufacturer.

Majority of aftermarket projector headlights require some modification to your vehicle headlights harness to work with the built-in Halo Rings and LED. You will need to splice wires with the low beam or parking lights to lead power to lights up the Halo Ring or LED. Moreover, if one have no experience or knowledge with automotive electrical system. We highly recommend profession install the headlights for you.

Here are some tips how to install a set of aftermarket projector headlights if you decide to install the headlights yourself. You will need to locate the two separate exposed halo wires, usually comes in two different colors. One of the wires is ground that usually comes in black or white. After you locate the power and ground wires from the Halo, you will need to splices each wire with the parking lights harness that are shown below. You splice the wire with the parking lights because you want the Halo to light up with the parking lights, and it will also lights up when you turn on the low beam.

We also recommend using a wire clamp or tap similar to the photos shown below. This is a easiest, safer, and most secure way to attach two wires together.

You will then test the light to ensure they work properly by turning on your parking lights which will also lights up the Halo Rings. If the Halo Ring does not light up, you will need to double check the wiring if you have connected it incorrectly.…

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Computer Expertise Company Jobs, Vacancies In Oldham

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