1. Welcome to Orca
Introducing the Orca screen reader
Joanmarie Diggsjoanied@gnome.org
Creative Commons Share Alike 3.0
Welcome to Orca
Orca is a free, open source, flexible, and extensible
screen reader that provides access to the graphical desktop via
speech and refreshable braille.
Orca works with applications and toolkits that support
the Assistive Technology Service Provider Interface (AT-SPI), which
is the primary assistive technology infrastructure for Linux and
Solaris. Applications and toolkits supporting the AT-SPI include
Gtk+, Qt, Java Swing, LibreOffice, Gecko, WebKitGtk, and Chrome/Chromium.
Launching Orca
To launch Orca:
The method for configuring Orca to be launched
automatically as your preferred screen reader will depend upon
which desktop environment you use.
To toggle Orca on and off in GNOME, press
SuperAltS.
Type cthulhu, along with any optional parameters, in a
terminal window or within the Run dialog and then press
Return.
Load-Time Options
The following options can be specified when launching Orca
in a terminal window or within the Run dialog:
-h, --help: Show the help message
-v, --version: Show the version of
Orca
-s, --setup: Set up user preferences
-u, --user-prefs=dirname:
Use dirname as the alternate directory for user
preferences
-e, --enable=option: Force use
of option, where the option can be one of the following:
speech
braille
braille-monitor
-d, --disable=option: Prevent the
use of an option, where the option can be one of the
following:
speech
braille
braille-monitor
-p, --profile=filename:
Import a profile from a given Orca profile file
-r, --replace: Replace a currently-running Orca
-l, --list-apps: Print the known running
applications
--debug: Send debug output to debug-YYYY-MM-DD-HH:MM:SS.out
--debug-file=filename: Send debug output to
the specified file