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Braille

This article explains how to configure the Braille display in IGEL OS.

Menu path: User Interface > Accessibility > Screen Reader > Braille

Braille Display.jpg


Enable Braille support

Specifies if the Braille support with the screen reader should be enabled.

Controls how Braille support works with the screen reader.

Braille support requires the screen reader to be running. When you select Enabled or Disabled, automatic Braille device detection is inactive. Connecting a Braille device does not start the screen reader.

Possible values:

  • Auto: Detects connected Braille devices automatically and enables or disables Braille support. (Default)

    • If the screen reader is not running when you connect a Braille device, the screen reader starts automatically. When you disconnect the device, the screen reader stops.

    • If the screen reader is already running when you connect a Braille device, disconnecting the device does not stop the screen reader.

    • Automatic detection also detects devices connected during system startup.

  • Enabled: Enables Braille support when the screen reader starts. Connecting a Braille device does not start the screen reader automatically.

  • Disabled: Disables Braille support in the screen reader. Automatic Braille device detection is inactive.


Disable speech in Braille mode

  • Disable the speech in the screen reader while Braille support is enabled. (Default)
  • Set the speech setting to the screen reader default.


Verbosity

  • Brief: Display shorter Braille device messages, e.g. “Apply”.

  • Verbose: Display verbose Braille device messages, e.g. “Apply push button”. (Default)


Enable flash messages

  • Flash messages appear on the Braille display. (Default)
  • Flash messages are deactivated.


Messages are detailed

  • Flash messages are concise, e.g. “Pasted”. (Default)
  • Flash messages are verbose, e.g. “Pasted contents from clipboard”.


Messages are persistent

  • Flash messages in the Braille output stay until the user navigates elsewhere.
  • Flash messages disappear after the duration set in Duration (secs). (Default)


Duration (secs)

Defines the number of seconds before the flash message is removed from the Braille output. This setting only works when Messages are persistent is disabled. (Default: 5)


Disable end of line symbol

  • When navigating with the Braille window, no end of line symbols appear at the end of a line.
  • When navigating with the Braille window, end of line symbols appear at the end of a line. (Default)


Abbreviated role names

  • Abbreviate role names, e.g. “Btn”.
  • Role names are written in full, e.g. “Button”. (Default)


Enable word wrap

  • When moving the cursor outside the Braille window, it will jump in non-overlapping sections.
  • When moving the cursor outside the Braille window, it will slide character-for-character. (Default)


Enable Contracted Braille

  • Contracts Braille text according to the Contraction Table set in Contraction Table.
  • Braille text remains uncontracted. (Default)


Contraction Table

Enter the absolute path for the contraction table you are using. For available contraction tables, see /usr/share/liblouis/tables on the IGEL OS system.


Selection Indicator

Controls which dot on the Braille device indicates when a text is selected.

  • None: No selection is indicated.

  • Dot 8: The lowest right dot is raised.

  • Dot 7: The lowest left dot is raised.

  • Dot 7 and 8: Both lower dots are raised. (Default)


Hyperlink Indicator

Controls which dot on the Braille device indicates a hyperlink.

  • None: No hyperlink is indicated.

  • Dot 8: The lowest right dot is raised.

  • Dot 7: The lowest left dot is raised.

  • Dot 7 and 8: Both lower dots are raised. (Default)