And they can learn how to read braille text after a relatively short period of training. Users can renew letters, change presentation speed or go back one sentence according to the rotation angle of the control jog. Control keys are used to select information or control the state of a conversation, such as providing timely responses, in remote communication. These jog and control keys are located in positions in which users can operate them with each finger on the 6-finger braille presentation keys. 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.