Automobile device for giving light, especially one that has a covering or is contained within something. Lighting should be provided with good lighting and should minimize glare. For the headlamp, in order to meet the above two requirements, use the two conditions of distant light and near light. The distant light is a long distance light beam that is used in the front of the car or not following other cars. It is generated by the main filament in the focal point of the reflector and the power is large, and the beam direction is approximately horizontal. In order to ensure the safety of driving, the distance of light distance (detection and identification of obstacles) should be greater than the braking distance to realize the timely parking. The speed limit is applied in most countries, given that the required distance light intensity is proportional to the four times of the speed.
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Installation connection 
The boot screen is the logo of billions of broadcasts. The boot is completed in about 10 seconds. The speed is still relatively fast.
The upper part of the box interface has BesTV TV watermarks, and the use of BesTV resources is used to indicate the box. BesTV TV is rich in resources and updates are relatively fast. Therefore, the resources of the billion-play box are worth looking forward to.
The box has to connect to the network first. Enter the settings on the remote control and select "Network Settings".
In the Network Settings screen, you can see that the box can choose between wired and wireless connections. If you already have a wireless network in your home, just select the name of the network you want to connect to, select the remote control to confirm, and enter the password to connect. If your password is based on numbers, then congratulations, the remote control of the box with 100 million broadcast has a number key, you can press the number key of the remote control to input faster. Wired connection is also very simple, if you access through the router, the network cable can be directly inserted into the back of the box network port; if you access through the cat, you need to open the "Tools - PPPOE dialing - enter the broadband account can dial the connection.
Open "About", you can view the box's hardware configuration basic information. Billion broadcast H3A box uses Core 1.5G quad-core CPU processor, ARM Mali-450 eight-core GPU, flash memory size is 8G, memory is 1G DDR3. Let's look at the enhanced version of the millet box: Cortex-A9 quad-core 2GHz CPU, Mali-450 6+ core graphics processor, 1GB DDR3 memory, 4GB eMMC flash memory. It can be seen that the basic configuration of the Evangelion box is quite powerful. With such a configuration, there is no pressure to watch 4K and 3D videos and play games.
Summary: The box hardware configuration is still quite high, start up quickly, the network connection is also very fast, but click on the system upgrade there is no login prompt, click on the weather settings to return directly to the main interface, it seems this box of the system is still bug, need Official adjustment.
Content and resources 
The home page recommendation interface, collection/recording, search and two icon buttons are eye-catching and easy to use. However, some movie posters cannot be displayed. Instead, use the BesTV logo. Today's headline recommendations included typhoon reports that were ravaging Southeastern China. Of course, they were updated in a timely manner. 
On the left side of the TV menu is a TV channel and a speed TV. On the right, there is a large-area TV series recommended. However, there is no hit TV series "Bullion" and "Tomb Notes." 
This "Ultimate TV" is actually an app called "Live TV," but I can't open it once after opening it. It needs to be opened in Application Management. 
"TV channel" is actually a live TV. There are live broadcasts such as CCTV, TVs, sports, games, news finance, children's channels, local channels, etc. Actual test CCTV and TV broadcast is still very smooth, but the local channel broadcast experience is not good enough. . 
"TV back to see" most of the corresponding channels are very fast, and they can normally look back. CCTV and a TV are all the same, but a small number of channels cannot be played back. 
Wherever BesTV Resources has been looking forward to, the result is an independent icon in the "on demand."
Open BesTV, or is it familiar with the "BSTTV interface" and content.
Summary: From the "TV" and "On Demand" sections that are most worth looking forward to, most of the content comes from video of cats. The resources of BesTV give people the feeling that it is just a third-party APP here. Your own independent, self-contained content. Billion box only provides one piece of hardware, and resources come from the internet.
application 
Billion H3A box also has an app store. At the same time, you can see that the box has been pre-installed with some third-party software in live and on-demand.
The application store that comes with the box is actually a sofa butler, but it is not the latest version. After opening, it will prompt the upgrade. The remote control clicks to upgrade immediately and the sofa butler will upgrade to the latest version. With the sofa butler, it is very convenient to install any popular application later. 
Enter the application management, you can see the application of the box has been installed, move the cursor to the corresponding icon, the remote control menu key can call out the open / uninstall feature.
Settings 
Billion broadcasting H3A box set up a rich interface features, there are network settings (wired and wireless connection), the previous article has been narrated.
In the display settings, you can select the resolution setting that matches the TV.
In the advanced settings. You can see there is a wireless screen, but I actually measured, millet 2 mobile phone, can not search to the box. Here can set the audio output method, I choose automatic.
Open "More Settings" to enter the Android native settings interface.
Third-party application installation 
If there is a USB flash drive in the installation package of the third-party application, the box will be recognized and prompted immediately after the USB flash drive is inserted.
You can use the USB flash drive for images, audio, and Android installation packages. However, you cannot currently recognize word documents. You should install third-party software to recognize them.
You can check the installation package in the U disk.
I'm here to install the Tai Jie video, find the Thai Jie video in the U disk, and click on the remote to execute the installer. The installation is quick and in less than a minute, Tatelite video is installed into the box. 
To install U disk, you can also open "File Management" in the "Applications" directory. The rest steps are the same as above.
Summary: 100 million yuan broadcast H3A box U disk installation software is very convenient, do not need to open the ADB debugging, plug in the U disk to use, for white users is definitely a gospel.
Local video playback test 1080P and Blu-ray movie playback test: 
"Pleasant Hostel" plays normally.
There is a Caton phenomenon in the play of Doomsday.
Midnight Bell Blu-ray format, normal play.
3D movie playback test: 
3D "Pacific Ocean" plays normally and is not stuck. 
3D "Avatar" plays normally.
3D "Iron Man" is not played smoothly, and there is a Caton phenomenon.
It is really crazy after the card is dead, but it supports breakpoints to continue playing.
3D playback settings on the TV, the left and right formats of the screen, you can enjoy with 3D eyes.
Summary: 100 million broadcast H3A box playing ordinary 1080P and Blu-ray format movies, 3D movies basically no pressure, most of the film source can play normally, some movies will appear stuck in the card. The playback progress cannot be controlled during playback. The menu button cannot be used and the Chinese movie name cannot be recognized.
4K movie playback test:
The "Hai Hai Hua Hai" H265 coded MP4 format, "Samsung Surface TV Promo", "Israel" MP4 format, "Time Lapse Photography National Park" X.264 encoding mkv format have only sound without images. It can be seen that this box cannot play most 4K movies.
Billion box interface setting is simple and clear, remote control can be a key to enter live TV, on-demand, applications and settings, so the operation is simple and easy to use. Judging from the author's use of the process and the product manual accompanying the official package, Yilan Box only provides hardware support for network functions. It does not have its own content and resources. Both live and on-demand programs come from third-party players. It is very convenient to install third-party software in the broadcast box. Recalling the previous period when Xiaomi and Letv were the content of the first saliva battle, in fact, for the average consumer, the box itself is enough resources, followed by enough, as long as you can install third-party applications can make up for the lack of the box itself . Judging from the playback capability, there are no major problems in playing the AVI format, ordinary 1080P movies, and 3D movies. However, you cannot play MP3 music and 4K movies. The hardware configuration of the box is very powerful. You want the box to be officially broadcast. The software is given an upgrade so that it will give the user a better experience.
Simple and easy to use - Million H3A box use evaluation
In the previous "Sofa evaluation group appearance simple and bright, with sufficient functionality - billion broadcast H3A out of the box" posts (link: http://bbs.shafa.com/forum.php?mod=viewthread&tid=247335 ), introduced The simple and elegant appearance of the Hundreds of millions of broadcast H3A boxes, this article shares the experience of using the box.