The braille presentation keys also function as an input device. Users can input letters like a braille typewriter. A mechanism incorporating electromagnetic solenoid locks is used for toggling between input and output modes. During tactile reading of the data, these input keys are locked to prevent input of new information. By using this type of 6-finger braille terminal and putting six fingers on the presentation keys and rotating the jog, users can read braille at a speed which suits them.
Braille is presented by in a time-sequential manner.
When reading the data, a user can choose the more suitable of the following two modes depending on his or her ability to read braille. In the first mode, the display automatically advances to the next letter after a preset time interval. In the second mode, the display advances only after the user acknowledges the previous letter. Appearance and functions of the 6-finger braille terminal 3. Configuration of the integrated information receiving terminal for the vision-impaired System arrangement It is able to access and obtain such text data as text broadcasts, ISDB, emergency news, and text data from files in memory by the developed information receiving terminal.