Portable add-on amplifier. Amplifier added to the phone line. Using this machine, a message is typed, transmitted over the telephone line and received by another TTY which displays the message. TTYs are available with various features including printer and answering machine. If a TTY user needs to contact a voice user, or vice versa, the Arizona Relay Service is available to serve as an intermediary between the two parties.
All information is confidential and accurate.
The signal is then transmitted to a receiver which the listener can adjust to the loudness level needed for individual hearing sensitivity. The listener can adjust the loudness level needed for individual hearing sensitivity. This means that the dialogue of the program has been converted to text, but is not seen without the use of a telecaption decoder. Until recently, this device had to be purchased to decode the captions, but now all televisions with screens larger than 13 inches must have the decoder built in. Telecaption decoders still must be used with small TVs and televisions made before 1993.