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Consumer Electronics

Ask questions here about the electronics you use every day: from phones and computers to kitchen appliances and radios.

4,952 Questions

How do you attach hair trimmer on Phillips norelco cool skin electric razor?

Here are instructions from the Philips website. Please see related links at the bottom of the answer To Groom Sideburns and Moustache: Switch the razor off. Clean the razor and razor head assembly by running under hot water before installing Trimmer. Press the Razor Head Release Button located on front side of razor, directly under the shaving heads to remove head assembly from razor. Remove razor head assembly from razor. Tilt the Trimmer Slightly backwards. Fit the Trimmer onto the razor (you will hear a click).The Trimmer is now ready for use. Activate the Trimmer by pressing the on/off button once.

What is nvidia?

Nvidia is a leading company in computer graphics card manufacturer. This company and more informatoin about it can be found on it's website, here:
http://www.nvidia.com/page/home.html

What are the characteristics of a common emitter amplifier?

There are a number of characteristics found in a common emitter amplifier. Not only are the parameters considered, but also their performance. Characteristics and performance are: voltage gain/ medium; current gain/ medium; power gain/ high; input / output phase relationship/ 180 degrees; input resistance/ medium; and output resistance/ medium.

Where do the batteries go in the remote?

There should be a slot in the back that opens up, often with a screwdriver. Put the batteries inside of there, and make sure that you have the correct size and that they are put in correctly with the + and - lining up.

I already have maestro remote control lights in my house Is there a universal touch screen remote that will control your TV system Lights and Air conditioner?

There are many to choose from ranging in price from a few hundred to many thousands of dollars. You will have greater reliability and a better user interface with the more money you spend. Companies include RTI, Universal remote, Control 4, Crestron, Amx, Savant, Elan, HAI. Often you would need to replace components with ones that will talk to each other. For a fully integrated system it is best to work with a dedicated audio video company for the best results. Many good companies can be found through CEDIA (consumer electronics design and installation association)

What is Dr Ian Lyons religion?

i have no idea what his religion is but i think is religion is called Phony-ism, i have not been able to trace any sort of information about him as a doctor. He has a few mixtures of belief system such as yoga-ism mixed with bhudisism or some sort of eastern religion. He may be a lost Christian or he may even be a Christian by name only but not by practice. may be he can say what religion he is publically.

What is nuvi?

A Nuvi commonly refers to a Garmin Nuvi. A Garmin Nuvi is a personal navigation system equipped with GPS. It is commonly used for setting routes for driving.

What is the Advantages of 3 wire rtd over 2 wire rtd?

It is more accurate, a 4 wire is more accurate than 3 wire and 3 wire is more accurate than 2 wire.

What is the difference between an engineer and a contractor?

An engineer is usually someone who has a specific degree in engineering, such as a construction engineer, which works out the design and construction of a building, but also takes into consideration the strengths and weaknesses of the materials used, load bearing capacities, etc. There are engineers for every field of endeavor. I'e., electronics engineer, broadcast engineer, structural engineer, highway engineer, etc.

A contractor is usually the company that takes the requirements and design as set forth by the engineer and creates the end result, such as a building, bridge, highway.

More than one engineer or contractor can be involved in the completion of the project, as their disciplines and specialties are varied. The engineer or contractors hired to complete the project will usually have experience in a particular field of work that involves multiple disciplines.

Where was the elevator invented?

By Elisha Graves Otis in New York in 1857

Fun fact: The first elevator designed for a passenger was built in 1743 for King Louis XV at his palace in France. The one-person contraption went up only one floor, from the first to the second. Known as the "Flying Chair," it was on the outside of the building, and was entered by the king via his balcony. The mechanism consisted of a carefully balanced arrangement of weights and pulleys hanging inside a chimney. Men stationed inside the chimney then raised or lowered the Flying Chair at the king's command.

Is it possible to connect a TV tuner card to be used for CRT monitor to LCD monitor?

Yes. As long as the output is VGA. There is no difference in the standard between CRT and LCD.

What goods would you guess that the American colonies did not export to England?

The Colonists probably did not export food items to England. The food was necessary for the survival of the Colonists, so it was exchanged throughout the Colonies.

How do you eliminate engine whine in a CB radio?

The whine probably comes from the alternator.

You will need a supressor on the alternator output.

Another way, is to use an in line filter in the power supply, to the CB, to stop interference on the power supply from reaching the radio.

You need an auto shop to check the alternator. The in line filters can be got from radio Shack and look like an in line fuse.

How can you use a battery to build a working flashlight?

Yes. It's a lamp, a switch, a battery and some way of making the connections.

Can you just test the volts of a rechargable AA battery to see if it is charged properly?

The easiest way to do this is with an inexpensive voltmeter available from Radio Shack, Fry's, Amazon, etc. The no-load voltage is only a little different from fully charged to nearly discharged. Depending on the exact battery you are talking about, the fully charged voltage might be about 1.28 or 1.3 volts, with a nearly flat battery reading 1.20 volts. Check your batteries when full and when nearly discharged and you will see the range. A much more crude test is to place the battery in a single cell flashlight and observe the brightness and color of the light.

Are LR6 batteries rechargeable?

Yes, if they are of the rechargeable type

Which gives a better measurement for the quality of an LCD monitor the contrast ratio or the dynamic contrast ratio?

The contrast between true black and true white on the screen. The higher the contrast ratio the better. 1000:1 is better than 700:1.

An advertised dynamic contrast ration is much higher than the contrast ratio, but not a true measurement of contrast. Dynamic contrast adjusts the backlighting to give the effect of an overall brighter or darker image.