The software described in this documentation is either in Extended Support or Sustaining Support. See https://www.oracle.com/us/support/library/enterprise-linux-support-policies-069172.pdf for more information.
Oracle recommends that you upgrade the software described by this documentation as soon as possible.

2.1 Enabling and Customizing the Orca Screen Reader

The orca (version 2.28.2) package is installed on your Oracle Linux 6 system by default.

To enable Orca from the top bar of the GNOME desktop:

  1. Starting from the System menu, select Preferences, and then select Assistive Technologies to open the Assistive Technologies Preferences tool.

  2. Under the Assistive Technologies section, ensure that the Enable assistive technologies check box is selected.

  3. Click Preferred Applications to open the Preferred Applications preferences tool.

  4. From the Accessibility tabbed section, ensure that Orca with Magnifier (the default) is the application that is selected for the Visual category.

    To use Orca without the magnifier, use the up arrow to select Orca.

  5. (Optional) To specify that Orca start automatically when you log in to the system, select the Run at start check box.

  6. Click Close to save the changes.

  7. Continue configuring preferences by using the Assistive Technologies Preferences tool, or click Close to exit the tool.

  8. (Optional) Add an application launcher for Orca so that you can launch the application directly from the desktop.

    For instructions, see Section 1.4, “Adding an Application Launcher to the GNOME Desktop”, where for Step 3, you would enter the following required information for Orca:

    • Type: Application (Default setting)

    • Name: Orca

    • Command: /usr/bin/orca

    • Comment: (Optional field)

    You can also start Orca by typing the following command:

    $ orca

    Note that the first time you start Orca, the Orca Screen Reader (or Orca Screen Reader/ Magnifier) preferences dialog is displayed. Here, you can set preferences and enable features for the application, including whether to enable braille and also whether to enable Orca at system start-up. See Customizing Preferences for Orca for more information.

Customizing Preferences for Orca

You customize preferences for Orca by using the Orca Screen Reader dialog. This dialog is displayed the first time you launch Orca, either from the command line or the desktop, or when you reboot your system after specifying that Orca run at system start.

To customize preferences for Orca:

  1. In the Orca Screen Reader dialog, click Preferences to open the Orca Preferences window.

    The Orca Preferences window includes 8 tabs that contain the following configurable preferences:

    • General: Configure general preferences for how Orca behaves.

    • Speech: Configure preferences for what gets spoken.

    • Braille: Configure preferences for braille display support.

    • Key Echo: Configure preferences for echo keys, as well as by character, word, and sentence.

    • Magnifier: Enable the magnifier that is included with the Orca screen reader.

    • Key Bindings: Enable keyboard shortcuts for Orca.

    • Pronunciation: Enable preferences for how words are pronounced.

    • Text Attributes: Enable preferences for the type of formatting that is presented.

After you have configured preferences for Orca, log out of the system and then log back in for the changes to take effect.

See the Help menu for a more detailed description of each of these preferences.