High Bay Led Light Bulbs
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FAQ
- How to identify projection light bulb true and false?
- The first category is launched by the projector manufacturers in the original packaging and special lighting, lamp holder signs it is a sign of the manufacturers, called the "original package". The original package is the projector factory such as EPSON, NEC, SONY, SANYO and other companies to lighting manufacturers such as PHILIPS and OSRAM to order the projector bulbs, lamp holder and packaging box according to the production of different models, and then through formal channels to users for sale. Its quality and service life have been strictly tested, the product quality is absolutely guaranteed, basically can achieve the projector manufacturers mean the average use time. Users are advised to use this type of light bulb as their first choice. But because of the layers of the channel plus profits, the price is generally high. And the loan source is very small, it is difficult to buy.
- I bought an ad projector, but I don't know how to focus it more clearly Solving!
- From the way of normal focusing as follows: if the projection interval adjusted lower than now the best resolution interval, such as projection interval now is 3 meters, but the actual use of the best projection clarity; the demand projection interval shortened to 2 meters, this time requirements are left in the picture of conditions under the direction of projection for adjusting the focus to, until the best resolution can be adjusted; the projection interval for the super appear in the best projection interval, such as projection interval now is 3 meters, the actual use of the demand projection interval extended to 5 meters, this time needs to focus on the surface to the projection direction under the condition of the picture to the right, until the resolution can be up to the best.
- How do you do routine maintenance of projection bulb?
- Avoid pulling out the power directlyThe projector is turned off, the cooling fan will still rely on the power at high speed in operation within a period of time, the main intention to do so, is to make long-term use after the bulb can cool to the lowest temperature, then reduced when the electricThe fan stopped working after natural cooling time of the bulb, so when the user in the use of end projection, advocate to fan stopped completely after the operation, and then unplug the power, so to ensure the projection on each after using, can shorten the naturalThe cooling time, but also directly to extend his lighting effect. Some special needs, that is, the end of the business people, now on the market already has the "on or off" function of the projector, are equipped with a small electrical storage, canCut off the power supply after the fan can be enough to ensure the continued operation until the heat dissipated, it can be cut off the power supply will be the end of the presentation can take the projector.
- What are the yellow, green, brown, and blue wires of the LED projection lamp?
- Ground wire; yellow belt green. A line of fire; brown. Zero line; blue.
- How to install the projection lamp?
- Specific depends on what your projection light brand, what type, different brands of projection lights installed way is not the same.
- Where can I find a Star Projector in Linyi?
- I was in Linyi last year, the students gave me a birthday.
- Do you see the star light on the wall or the wall?I want to put it out in the open space on the outside, just like the effect of the fireworks. I stay in the sky. I don't know where there is such a star light. I can see the effect in the air
- Production: in PVC rubber (projection film) ` ` in the sky with crayons, pictures painted on the stars. And then divided into six corner pieces, and then combined with ``OK!Satisfaction, please adopt.
- The scientific projection lights of the adults should be assembled by themselves, but when they are glued to the lampshade, I wonder if the edges should be folded or folded inside. Fold outside feel bad, folding inside afraid of affecting the projection effect, such as a shadow, what. Ask for help ~!Not asking which face is outward. When you ask each surface to stick together, does that extra edge need to be folded inside or inside the ball?
- The smooth side is outside. It's rough inside. Finally, fold it into a ball. Put the lamp holder in it and jam the hole.
