Some phone users, delving into the settings, come across an incomprehensible abbreviation TTY or the phrase "Teletype mode." Also in the status bar of the smartphone may be a characteristic icon. What is teletype in the phone? What is it for? How to use it? All this will be discussed in this article.
Hearing problems
Unfortunately, some people have both congenital and acquired hearing problems. But this does not mean that they should be limited in the use of mobile phones. Therefore, for such people come up with various technologies that make life more comfortable. One of them is the use of teletype mode on mobile phones. But before talking about this mode, it is necessary to refer to the original history of the invention under the same name.
What is teletype?
A teletype (also called a teleprinter or TTY) is an electromechanical printing device that is designed to send and receive typed text messages. The connecting link between the teletype devices was first a pair of wires, and a little later - a telegraph or telephone cable. Nowadays, the communication capabilities of such devices have increased significantly.
The history of the creation of a teletype starts from the middle of the year before last. More specifically, in 1846 such a technology was first applied over a long distance. A connection was established between Washington and New York.
After that, a number of inventors contributed to the further development of teletype. This has led to the fact that these days the best teletypes for communication not only use wireless capabilities for communication, but also switched from traditional printers to LCD screens. Next, it will be examined in detail what teletype is in Android or other devices.
The main target audience of teletypes are people with hearing impairments. For them, this function is a very convenient tool in order to communicate, as well as receive and transmit information.
How to use teletype?
In order to use this mode, the phone must support this feature. I must say that it is present in most iOS devices, some smartphones on the Android platform and Windows. To check its availability, you need to go to the device settings and look for the TTY option there. On some smartphones, it’s called “Teletype Mode” or simply “Teletype”. There are devices in which the function may be located in a point with special capabilities.
What is teletype - figured out. How to turn it on - too. But it’s worth mentioning that for it to work through a smartphone, special additional equipment must be connected to the latter. And besides this, the mode should be supported by the used carrier. Teletype equipment is called an adapter. It can be ordered in specialized stores.
If the equipment is already available, it must be connected to the smartphone, and then go to the settings and switch the function to active mode. Now you can call other people and use teletype for communication, typing various messages and seeing the answers of the interlocutor.
Any additional information about the use of equipment can be found in the documentation attached to it.
Conclusion
So what is teletype in a mobile device? This is a tool whose purpose is communication between hearing impaired people. Of course, today the relevance of such a function is doubtful, since various messenger programs or video communication applications have long been replaced, where users can see each other and use sign language for communication. But the function is still used by a large number of people because of certain amenities.
By the way, the latest version of the iOS operating system allows you to use the program teletype function without buying additional equipment.
If for some reason the icon of the active teletype is visible in the status bar of the smartphone, you need to go to the device settings and deactivate the mode. Otherwise, the battery will be consumed faster.