Q:How does the LED projector change the type of projection lamp that is visible on the ground?

LED projection lamp inside the word is processed by special process printed on the glass, and then projected through the LED lights, and if you need to change the words, you can also consult me.

Q:I bought an ad projector, but I don't know how to focus it more clearly Solving!

It is worth noting that the logo projection lamp of each power has the largest projection interval corresponding to the maximum as 5W projection interval is 3 meters, exceeding the maximum projection interval if after adjusting the focus to definition cannot be adjusted.

Q:The kind of projection lamp installed on the ground by the roadside. Why isn't it popular in China? I am interested in doing this, I would like to ask, I see Taobao projector projection lights to be customized, if the advertising company, then each time for advertising is not very troublesome and high cost?

The lenses are carved out of very sophisticated machines! One color, that's 80 yuan

Q: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.

Q:The whiteboard projection light doesn't turn on, the alarm light and the power indicator red light at the same time

Your problem should be the bulb fault of the projector. Recommend you change the emperor's projector and electronic whiteboard, service life will be 2 to 3 times longer than the average length

Q:Why is the projector still bright after the Harvard H6 sports car locks?

It has a delay and lights itself out. 4S shop professional technicians, 10 minutes to solve. ]

Q:How does the projector light the picture?

LOGO light on the pattern of content onto the building wall or on the ground, image display and advertising effect in the formation of highly visual impact.

Q:Who would like to know the power parameters of this projection lamp?

The picture shows the computer should head light or shaking soft lights computer soft lightsPower is large or small. Here is an example.Voltage: 220V/50HzLight bulb: HMI 575WPower consumption: 800WControl signal: DMX512Control channel: 10CHSingle light air box size: 515 * 450 * 750mmDouble air box size: 840 x 530 x 950mmCarton size: 470 * 430 * 590mmNet weight: 29kgGross weight: 30.5kgNumber of motors: 9It featuresEight colors for high speed two-way rainbows and scrolling effects

Q:But I don't know whether the actual effect is worth buying or not. Have you bought any of the actual pictures you used? Thank you!

High quality and low price Alibaba wholesale procurement market - Adult Science four seasons star projection lamp, adult science four seasons constellation...

Q:Can you tell me how to judge the quality of LED projector?

2 、 electrical testHigh voltage test according to GB7000 requirement test, qualifiedThe grounding test shall be tested according to the GB7000 requirementNo light is shiningThe spot has no overlap and so on. The light is even and soft