Because of job changes, she came to Shenzhen at the beginning of this year. This is a city full of material desires. Behind the bustling steps are countless hurried steps. Day after day, they rush back and forth between downtown and the edge.
In the eyes, it is very busy here, and it is crowded; here is a fast pace, where the prices are high, and the pressure here is great, but people here are full of passion for life and enjoy the time spent fighting for prosperity.
It is also possible that we will lavish on our youth, and we will still have nothing if we go all the way. But now I like this city full of fighting spirit.
Renting a small studio apartment was not too far away from the company, but it was only moved into the bedroom and there was a window in the bedroom. The living room was dark (there is no living room on the four sides), but the apartment was tidy and clean, and the furniture was complete. More than 2,000 blocks of monthly rent did not dare to be more luxurious. The dark living room environment, so he started to view the projector on the Internet, ready to transform into a private theater. In this way, you can cook at home and cook on the weekends. You can invite 35 friends to watch pesticides.
Finally purchased this, I was bought in Taobao, Taobao will just have a discount, but Jingdong own this also.
ViewSonic Pro7827HD home projector projector (1080P resolution 2200 lumens) 5999 yuan Jingdong to buy 
Because I did not expect to share with you before, the outer box was relatively large, and I abandoned it and tossed it. Can only give everyone a look inside the packaging, and the machine card is well protected in the middle of the two bubble houses.
The appearance of the fuselage to show everyone, using all black design, simple and stylish, business sense is strong.
This is the interface that can see the fuselage from the angle, the interface is still very complete, there are label type above, there are 2 HDMI interfaces, a USB interface, audio interface, and the output interface that daily needs and so on. Rich interface can connect a variety of devices, such as computers, speakers, keyboards, etc. are very convenient. The projector's interface must be complete, some computer's interface is VGA interface, some computer's interface is HDMI interface, the degree of completeness will affect the projector's degree of interconnection and interoperability!
When you turn on the projector and put your hand on the side grid in the figure below, you can feel the wind, but after a period of continuous operation, the wind will become relatively hot. This is because the power consumption of the projector during operation is high. , Long-term use will produce a lot of hot gas, heat dissipation performance will affect the life of the projector, a lot of hot gas emissions, can effectively protect the projector.
The position of the air outlet is also equipped with a dust-proof baffle. The baffle can be disassembled. After dismantling, a thin layer of sponge can be seen to prevent the dust from entering the projector. This place of detail is still Dealt with very well.
The baffle is removed, it is also well installed, and it can be stuck in the middle of the gap.
These are the accessories of the machine, a power cable, a VGA cable, a remote control, a storage box, and they all began with a plastic bag. However, the bag was not opened before I was tossed.
The direction of the bulb lens, there is also a row of cooling vents on the left, using a recessed design to protect the light bulb, the power of this machine's light bulb is 240W, the lamp life can reach 8000 hours, that is if I look at the average of two every day Hours, it can be used for about 10 years, of course, this is theoretically speaking, the general projector lamp after a few years, the clarity is not as good as before.
There is a zoom and focus knob on top of the projector to make it easier to adjust the picture size and focus. In order to achieve the lens displacement and adjustment of the four corners, the maximum displacement of 20%, rotating buttons or toggle gear as slow as possible, adjust to a clearest position on it.
The keys of the camera body are set by bumps. The up, down, left, and right buttons are used for trapezoidal correction. The color mode button in the lower right corner can quickly adjust the color mode. There are 5 color modes: highlight, dynamic, standard, sRGB, rec.709 . Several patterns have been used, feel rec.709 mode, the color reduction is better. Everything else is almost the same, I do not feel much.
This cable management box can hide the cable inside, and it has a good aesthetic effect. If it is used on a suspended ceiling, it is still very good. However, I use it on the desktop. Generally, I will not install this cable box because I think it will increase the footprint of the camera.
The fuselage is equipped with a cable management box is the effect of the following figure, I think it is a little inconvenient to install the cable management box plug line, or it should be connected to a good cable repacking cable box may be much better.
The boot screen is relatively simple, with only the Viewsonic logo. I found a problem when connecting Apple Computer, because Apple's laptop does not have a VGA port, plus the projector did not give VGA to HDMI cable, so you need to buy a patch cord before you can connect.
With the lights on, I can take a picture of the projection from the door's position. You can feel that the area for this picture is very large, almost occupying the whole wall of the living room. For 2200 lumens brightness, the picture of this projection should be considered good. Okay.
Mobile phone problem, although the lights, but the environment is still a bit dark after focusing, the brightest angle can only be this way. Anyway, the lights in the hallway are open.
Turning off the lights and letting us feel the effect of the screen is obviously better than turning on the lights. This is a recent drama that I was chasing, “My first half of my life.†Because I’m usually busy at work, I’m rarely given a chance. Look, so I've only been here since, but it's almost over.
For this 2200 stream brightness and 22000:1 high-contrast image quality, we can zoom in on the screen. We can see where the faces overlap. The male and female characters' face lines are very good. Good mapping came out.
The old cadres are still very nice. I'm just putting a close-up photo! 
Grayscale test
I also performed a grayscale test on this projector. The performance of the ViewSonic Pro7827HD test is still OK. Basically, each adjacent block can be easily distinguished. The bar grayscale is a transitional nature, and each block is also clearly distinguishable.
ViewSonic Pro7827HD uses a dual color RGB color wheel, we can see in many places, RGB this three letters, then what does RGB represent, R is Red Red, G is Green Green, B is Blue Blue, we see the following figure can be referred to as the color space map, RGB is representative of the three colors in the corner, this map is evolved from the spectrum, the area in the middle is the visible light range of the human eye, and The color gamut is a system of such a range, that is, the color space using the RGB color model can contain all the color gamuts that the human eye can see, and even exceeds the color gamut of the human eye. More full.
Different color gamuts will have some differences in the rendering effect of color. You can see the following picture is the same picture of a TV show. In the color wheel of the projector's dual RGB color gamut, the display effect with the color number of 1.07 billion colors is obviously better than The color effect presented on the laptop is better and the colors are brighter and brighter.
I didn't specifically select solid-colored pictures. Instead, I selected the ads before the start of the TV series and the pictures taken during the playback. Although the picture is not a solid color, it can be seen that the overall color value is worth showing.
red
blue
yellow
This is the effect of the company's training session. It is not installed. It is placed directly on the table at the back of the training room. It has a clear picture, 2200 lumens, a contrast ratio of 22000:1, and a resolution of 1920*1080P. It is sufficient to use a small-scale training or conference for hundreds of people, but the kind of conference for hundreds of people is still not recommended.
This machine has also been used for a month or two. Overall, the ViewSonic Pro7827HD projector is good for viewing, and the performance in color image clarity is also acceptable. The transition between light and shade is also better than the general projector. Digital enthusiasts who are in need or who like to watch movies at home are advised to start!
Although the machine has HDMI interface, but this machine is not equipped with HDMI cable, if the home device is HDMI interface also need to buy the extension cable, otherwise can not be connected to use. Second, the machine itself can not be directly connected to the network, you need to purchase additional wifi module of this machine, the price is not cost-effective, I did not buy, nor recommend buying.
6.35MM Power+ Signal Power Connector
power connector is used in power module system. It can select the matching power + signal connector according to the need. The feature is that the number of power and signal contacts and the matching sequence can be selected arbitrarily while keeping the connector size and contact core number unchanged.
Plug (male) / socket (female) can be installed at 90 or 180 degrees. It supports mixed or independent combination of signal and power. The quantity range of power and signal is (2-16) pin and (12-128) pin respectively
Product features
High temperature resistant, glass fiber reinforced and flame retardant polyester is used as insulation material
Copper gold composite conductor with high conductivity is used, and the contact area of the conductor is plated with gold
It adopts shrapnel contact, which has the characteristics of integration, small volume, large current carrying capacity, soft plug-in, blind plug-in, self guidance and high dynamic contact reliability. This series of products can be interchanged with FCI's powerblade series and Tyco's multi-beam series
There are three sizes of center distance of power contact: 5.08mm, 6.35mm and 7.62mm
The length of power hole / signal pin can be selected in two sizes. The power rated current is 45A and the signal rated current is 2.5A
6.35MM Power+ Signal Power Connector
ShenZhen Antenk Electronics Co,Ltd , https://www.antenkwire.com