Sunday, December 26, 2010

Use Power Converters When Travelling

There are two electrical transmission systems used in the world. Both are based on different transmission mechanisms which are based on different voltages. The system used in the USA is based on a voltage supply of 110V, as opposed to 220V which is used in Europe and the eastern countries. The electric appliances which are made for use in one particular system cannot work in the other system. For example, if a TV is bought in the USA, that means that it cannot be used in Europe with the local power supply.
Foreign Plug Adapters
The world has now become a global village, which means that faster methods of transportation have made it possible for people to travel the length of the world in just a few hours. This has resulted in people travelling to far off countries as a normal way of life.  In such cases, it is important to have some sort of convertor to change the voltage of one system to the other, so that the device will function and won’t be damaged. This feat is accomplished by foreign plug adapters. They are handy to use when on the go during a foreign travelling trip.
When the power adapters started to appear in the market, they featured manual operation. This means that the voltage needed to be selected manually. However, with advances in technology, the deluxe automatic voltage regulator was introduced, which automatically detected the input voltage and made the appropriate conversion required for the operation of the appliance. This made it easy to use without any risk of wrong manual selection, which could possibly lead to the damage of the appliance.
International Adapter Plugs
The recent advances in e-commerce have made it possible for people to order consumer products, especially the electric appliances, anywhere in the world. For example, when importing a device to Europe from the USA, the difference of power transmission systems needs to be kept in mind. In such a case, international adapter plugs are used as convertors of the voltage. The plugs are used with the sockets providing the voltage of the host system, and then they convert it into the native voltage that’s needed for the operation of the appliance.
Many of the electric appliances that we’ve come to rely on in our lives aren’t inexpensive.  That’s why it’s important when travelling to make use of the power convertors are so that the appliance can be used in a different system without any risk of damage. Such power converters are easily available in the market and are quite affordable.

Sunday, December 12, 2010

What To Consider When Buying A Multi System TV

A Multisystem TV is a television capable of receiving and displaying different video systems like PAL, SECAM and NTSC. They will operate in 99% of the world because they have a dual power supply (the exceptions being France, Brazil, Uruguay and Paraguay) and do not require a voltage convertor.

What Are The Advantages Of A Multi System TV?

The picture quality of a Multi System TV is vastly superior to that of a conventional television, and this quality may be even further enhanced depending on whether you choose LCD or plasma. 
Technology has tackled the problem of scan lines that can be visible in conventional units. These lines are created by the electronic beam used to scan the picture tube from top to bottom regularly and repeatedly. Multi Systems include built-in line doubling, and that makes the scan lines disappear. There are few drawbacks of a Multi System TV compared to a conventional TV. Multi System TVs also have a perfect, flat viewing area with no curvature hampering the picture and causing distortion around the screen edges.

Which Is Better: LCD or Plasma?

If you are going to invest in a multisystem TV then you should take full advantage of modern technology and look at LCD and Plasma units. LCD/LED televisions fit well in rooms saturated with natural light, but don’t do well in rooms that rely mainly on artificially controlled lighting.  With a LCD TV, you’ll see sharp vivid colours, and because of this watching sports and movies will take on a whole new intensity.  Keep in mind that LCDs are thinner than other types of televisions but this thinness is merely aesthetic and adds no enhancement to performance.

Plasma televisions are bigger than most other televisions with sizes starting at 42” so if you can’t fit a unit of this size in your room, you’ll be better off with a LCD.  Plasma televisions are good in normally lit rooms and offer viewers more natural looking images in movies, nature programs and live action sports.  But they don’t perform as well in rooms that are flooded with natural light as this impairs the bright eye popping colour.

Before making a decision about whether you’ll buy an LCD or a Plasma TV, try both types in a room with natural lighting. This is important because fluorescent lit showrooms will simply not give you the best idea of how these televisions will perform in your house.