How to set digital channels on TV?
Analog television, which has not had alternatives for many years, gradually leaves in the past. Today the digital TV era has come, which is considered the most modern technology for transmitting and receiving video signal. Digital television provides a reproduction of an image of impeccable quality. Among the main advantages of the “numbers” it is also worth noting:
- High sound quality and video. Digital television is not amenable to any interference.
- Ergonomicity. The digital TV signal is supplied to users without any special equipment and extra cables.
- A huge number of channels of various topics.
- Simplicity of connection. For connecting and setting the “numbers”, it is completely optional to seek help from specialists.
The advantage of this television broadcasting technology is also the possibility of gaining Internet access and many other useful services.
Digital channels. Connection options
Depending on the generation of the TV, the digital TV can be watched with a direct connection of the cable or using the prefix. To transmit the image in high resolution, the signal is pre-encoded in the DVB-T2 format. A similar connector should be present at the TV. How to set digital channels on a TV of an old model that only has DVB-C/T or AV-extension. To do this, a receiver is connected, which serves as a signal decoding tool.
By nature, all the stages of the settings of analog and digital TV
Can be distinguished in three groups:
- Technical. Installation of parameters for high.Quality digital signal reception. Processing speed and frequency search range.
- Search. The main process for finding the channels.
- Inte Wee. Choosing a language, installing a password, sorting television channels, etc.D.
Technical settings are complicated by the fact that, depending on the choice of the frequency range, it occurs in different ways. In some models, it is installed automatically when choosing the type of receiver (satellite, cable or antenna). Other receivers support only the opportunity to manually configure the frequency value. It can be obtained from the workshop manual.
Search for channels is always a manual and automatic function. In the latter case, the user is invited to find and immediately save all channels. It is inconvenient in the presence of working channels from another receiver, t.To. Avtopoisk completely removes them. Of course, it can be turned on for all types of broadcasting, but the TV channels of the former TV will not be in their places.
The latest TV models support user profiles, one of which can be saved by analog TV channels, and find digital programs on the other.
Inte Weener settings. They do not affect the search for channels and are needed for the convenience of using television, but the user constantly faces them when connecting.
In most cases, you have to configure the following parameters:
- Region. Choosing a country to search for channels. For some TVs and prefixes, the “Russia” option may be absent and “Europe” is selected and selected. This is due to export. If the main supplies of the manufacturer are focused on the American or Asian continent, the equipment will be slightly integrated for use in the European part.
- Channel sorting. Very useful function when connecting a cable TV. Initially, it finds all the TV channels, in t.H. Inaccessible in the tariff. Given the impossibility of activation without a prefix, they are useless and removed by pressing a pair of buttons on the remote control.
- Password (PIN-code). It is required to access system options and set restrictions on viewing individual channels. Serves as a means of protection against unauthorized use of television or unintentional changes in the functions of children.
Some models in front of the main settings request an intense language. All consoles and TVs support the Russian language. If it is not requested and English is installed, it can be changed by moving to the Language menu and choosing “Russian”.
For owners of modern TVs who have a built-in DVB-T2 tuner. He performs the same functions as the receiver. Decodes the signal and provides the viewer with a finished image in high resolution. Search for digital channels on them occurs in the same method. That and with the help of the prefix. The difference is only in software functions and the features of the TV menu. Each model has different ones, so the digital TV setup for each manufacturer will be considered separately below.
What to do if the TV does not work
Sometimes it happens that TV does not work despite the fact that the tuner is connected to it. The causes of malfunctions are different, the most common ones will be described below.
One of the most common problems is an incorrectly installed antenna. Make sure the antenna receives a signal well. Ideally, it should be installed on the street, but sometimes it works in the room. Try to twist it in different directions and understand whether the signal level changes depending on this.
Sometimes the TV does not work due to the fact that the cable has damage. Make sure that it is not torn anywhere. See if it is well screwed into the console connector.
Even old TVs had several operating modes. To receive an analogue signal, connection to DVD, etc.D. It is possible that the prefix does not work due to the wrong TV settings. Try to switch different modes, your task is to find and choose AV mode. It is he who is intended to work with external devices, for example. Tuners.
What to do if the TV shows a black and white image
It happens that when connecting DVB-T2 of a digital prefix, the picture becomes h/b, not color. The problem lies in Scart or “tulips”. Most likely, a partial break in the wire occurred. Because of this, TV shows the picture incorrectly.
Channel tuning algorithms by brands
So that the user can easily deal with TV setting up, manufacturers, as a rule, unify access to the settings, search algorithm. The only difference can be covered in the name of the menu items, access method (using a separate button on the remote control, a sequential crossing on the menu). If you have not been able to use the standard search algorithm for television channels, use the instructions of the manufacturer that is included. When it is lost, you can find information on the manufacturer’s website, knowing the modification of the TV panels.
Outdated TV models
On the old TVs that are still found in the houses of Russians, the search for programs is carried out using special regulators hidden behind the buttons. To gain access, you need to put forward the panel, then, twist the regulator up to the appearance of the image. Considering that the etheric television switched to digital broadcasting, and only a few channels are available in the analogue, it is recommended to buy a digital console for outdated TV, which will open access to a complete list of channels, will allow you to switch programs remotely.
For obsolete TV, it is better to buy a digital console.
Distribution of a television radio signal in the DMV range
Digital broadcasting in Russia with multiplexes is conducted in the decimeter range (DMV) at frequencies from 474 to 858 MHz. In each region, to exclude the mutual influence of television transmitters, two frequencies are identified.
The distance to the tower on which a stable reception is possible depends on the power of the transmitter. Under normal conditions, a multiplex transmitter with a capacity of 1 kW provides reception at a line of direct visibility of the tower up to 40 km. But if it rains or high solar activity, then this distance is significantly reduced.
For a sustainable receiving digital signal by the air, the receiving antenna should be in the line of sight of the transmitter antenna installed on the tower.
In urban conditions, radio signal often block multi.Storey buildings, power lines and other obstacles. Therefore, at a distance of even a few kilometers in the case of a successful setting of the TV, sound or image can periodically crumble on colored squares or disappear.
If the electromagnetic signal has great power, then part of it can be reflected from neighboring buildings and often manage to configure the TV to receive channels thanks to the reflected signal. At the same time, the antenna, it turns out, is directed in the other direction from the TV tape.
When you can’t do without a prefix
Of course, the owners of frankly obsolete television receivers with a kinescope tube can not do without a prefix. These devices simply do not know what a digital signal is, and the external receiver is just engaged in converting a digital signal into an analogue. Naturally, with a significant loss of quality, both pictures and sound.
But this does not mean that if you have a flat TV, then it will automatically receive a digital signal. Many models of first generations were also not equipped with built.In tuners, although they were able to accept the figure. They also needed a prefix, and they could only show analogue television without additional equipment, except for the etheric antenna.
Let’s figure out how to determine whether it is possible to watch digital television on a specific television receiver without using the prefix.
To do this, you just need to study the technical characteristics of your favorite TV. If you choose TV online, then almost all online stores contain a detailed description of the characteristics of each model. If the purchase is made in a regular supermarket, just look at the user guide to the page describing technical specifications.
To receive numbers without the need to use external equipment, the TV must support the following standards:
- DVB-C/DVB-C2-a format for receiving a signal by cable, cable television;
- DVB-T2 is the standard of air broadcasting supported in Europe. Not to be confused with DVB-T, the standard of the first generation, in this format today no one broadcasts;
- DVB-S/DVB-S2-broadcasting standards using a satellite plate.
ATTENTION. If you have an outdated model that does not support any of the listed standards, you can watch digital television on it only using the receiver. In fairness, we note that their cost today is quite low. The simplest devices cost about 10.
How to set up 20 digital television channels on TV
A national transition to this broadcast format forced many users to think. Is it possible to watch digital TV without a prefix? Yes, such an opportunity exists, but only if your television receiver already installed a receiver that works with the DVB T2 signal. Devices that support DVB C and DVB T will not provide such an opportunity. Therefore, first of all, make sure that the built.In digital tuner on the TV has the appropriate marking.
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Let’s take a look at how to set the digital channels on the TV. First of all, it is necessary to connect the external antenna operating in the MV/DMV range. It can be an indoor or outer model, with or without an amplifier, working on the principle of a wave channel or log.Periodic. The choice depends on the stability and signal level in your area. But in any case, to connect digital television, the receiving equipment is connected using a coaxial cable with a wave of 75 Ohms to a standard antenna television connector. For such a nest, the designation “Ant in Air/Cable” is usually used.
Further setting up a TV without a prefix is performed in automatic or manual mode. The second option is recommended only to experienced users who already have experience connecting such equipment. Any error in entering the necessary data will lead to the impossibility of viewing television programs in digital format.
Scheme for connecting digital channels through the prefix and to a TV with a built.In tuner
What is digital television
Modern television in the understanding of users is watching TV channels in high quality Full-HD, 3D and 4K. Indeed, with the possibility of transmitting a large volume of information, a large-format broadcast MPEG-2, MPEG-4 became possible. However, this does not mean that the user is looking at the digital TV.
From the technical side, digital television is considered broadcasting by transmitting a encrypted digital signal in the DVB standard.
The last of the formats is of the greatest interest. Today, etheric digital television provides 20 channels for free, and its development is funded at the government level.
The history of the development of ethereal television
Initially, digital TV was considered only as the possibility of transmitting a large amount of information by compressing it. But by this time, all the frequencies of the meter range were already engaged in analog broadcasting, so a decimeter wave of waves (DMV) was allocated for digital channels.
In Russia, in 2010, the European digital TV standard began to operate (DVB-T). To decipher the signal into the usual view at the early stage, decoders and satellite receivers were used, later digital consoles appeared for 20 channels specifically under the DVB-T format, as well as modern TV models began to be produced with a built-in TV tuner.
The development of digital television led to the rapid filling of broadcast frequencies, which led to the difficulty of opening new television channels. The problem was complicated by the fact that in every country or region the frequency is occupied by local channels. Subsequently, this problem was solved by the transition to the streaming of television channels. This allowed you to broadcast several television channels at once in one digital signal and at the same frequency.
The introduction of a broadcast in the stream led to the opening of a new standard of broadcasting in the DVB-T2 number,
- Simple organization of broadcasting. Television companies do not need to receive an additional license allowing to take a separate frequency.
- Quick territorial coating. Retranslation equipment at one frequency is cheaper.
- Minimum channels. The user needs only one physical channel to view a whole set of channels.
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Despite these advantages, many states do not seek to develop the etheric broadcasting of a new generation, and they still support the DVB-T standard. Mostly, these are small countries that do not have problems with a lack of free frequencies of DMV.
Essential streaming is supplied by channels called multiplexes.
In each country, multiplex can include from 4 to 13 channels (for comparison, in Russia, a digital package includes 10 broadcasting programs).
With the opening of DVB-T2, an improvement and rise in the cost of a decoder (receiver), t.To. It now required more performance. This is due to the fact that the modulation (speed decryption) T2 accelerated 4 times (256 versus 64 QAM). Therefore, the decoder of the previous power could only cope with flows that broadcast no more than 4 channels in one bag.
Digital broadcasting has a higher display quality compared to analog channels. You can connect and configure this function very easily on any TV-for this you do not need to have some special knowledge. Let’s generalize our instructions in common for most TVs:
- We connect the antenna.
- In the settings menu, we find a car carpet.
- Then we set up the type of “cable” connection and set the parameters in the data area if necessary (transmission speed, frequency and modulation).
- Also, as needed, you need to choose a country. Most often it is Germany or Finland.
- We start searching for channels using a starting button in a dialog box.
- We wait for the search to complete and move on to the long.Awaited viewing!
We hope that you succeeded, dear friends! We share in the Комментарии и мнения владельцев with our stories to configure digital broadcast television.