Tandberg Data 150 MXP Telephone User Manual


 
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3.2.1 TTY (Text telephone)
A TTY is a special device that lets people who are deaf, hard of hearing, or speech-impaired use
the telephone to communicate, by allowing them to type messages back and forth to one another
instead of talking and listening. A TTY is required at both ends of the conversation in order to
communicate.
To use a TTY, you connect the TTY device to the 2.5mm jack on the right side of the unit and set
TTY to On in the Audio menu. Then, type the message you want to send on the TTY's keyboard.
As you type, the message is sent over the phone line, just like your voice would be sent over the
phone line if you talked. You can read the other person's response on the TTY's text display.