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optacon(1X)							   optacon(1X)

NAME
       optacon - An X program for the Optacon II

SYNOPSIS
       optacon [options]

OPTIONS
       Specifying  the	-dev  option  instructs the optacon utility to use the
       next argument as the file for the Optacon II device.  By	 default,  the
       device  is  /dev/tty00.	 Specifying the -interval option instructs the
       optacon utility to use the next argument as the interval for the	 Opta‐
       con  II device.	The interval specifies how often (in milliseconds) the
       optacon utility will update the display of the Optacon II. By  default,
       the interval is 10 milliseconds.

DESCRIPTION
       The Optacon II, a product of TeleSensory Corporation, is an optical-to-
       tactile conversion device meant to assist the blind in accessing visual
       information.   The optacon utility was made specifically to allow blind
       users to use an Optacon II to have more access to an  X	Window	System
       display.	 The optacon utility does so by mapping the pixels surrounding
       the on-screen pointer to the pins on the Optacon II.  All black	pixels
       will  cause  the	 associated  Optacon II pins to vibrate, and all other
       pixels will cause the associated Optacon II pins to remain still.

X DEFAULTS INFORMATION
       The format for a resource specification for the optacon utility is:

       *resource:value

       Specifies the resource.	Specifies the value that is to be assigned  to
       the resource.

       For details about modifying resources, see X(1 X).

       Because each X Window System toolkit-based application can consist of a
       combination of widgets (for example, push buttons and  a	 scroll	 bar),
       you can form the name string for a new resource specification by adding
       widget class and name identifiers to the string.	 For further  informa‐
       tion about adding class and name identifiers, see X(1 X).

       The following sample shows the optacon resources and their default val‐
       ues:

       *dev:	      /dev/tty00 *interval:	10

TRADEMARKS
       X Window System is a trademark of MIT.

       The Optacon II is a product of TeleSensory Corporation,
       P.O. Box 7455
       Mountain View, CA  94039-7455
       800-227-8418
       tele@netcom.com

SEE ALSO
       X(1X)

								   optacon(1X)

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