Radius to Provide Broad Product Support for Apple Computer's ColorSync

SAN JOSE, Calif., January 6,1993 -- Radius Inc. (NASDAQ-RDUS) today
announced multi-product support for Apple Computer Inc.'s new ColorSync
color management system for Apple Macintosh personal computers. Radius
products now provide fully compatible calibration, display and matching
capabilities for the ColorSync user. This assures ColorSync users of
consistent, reliable color from input to display to output, eliminating a
final hurdle to easy to use color on the desktop.

Radius also announced full support for Apple's Color Printer and Color
OneScanner within the Radius PrecisionColor Matching System. As a result,
users of these new Apple products can achieve true color fidelity with the
variety of high-end color devices utilized in professional pre-press and
production environments.

"An important requirement for both the beginner and professional color user
is the ability to input, display and output images and documents with
accurate color fidelity between those stages. This requires calibrated
devices which are capable of accurate color representation under various
viewing conditions and the transformation of color information between
those devices. Through support of Apple's new color management system,
these same capabilities will be available to the ColorSync user," said
Mary Coleman, Radius' vice president of marketing. "Radius' PrecisionColor
Matching System is a valuable tool for color professionals because it
allows calibrated monitors to display accurate representations of their
documents as they will be produced in various stages of the pre-press and
production process. Adding support for Apple's new color imaging products
to this system will allow them to be utilized in this environment to
provide uniform color input and consistent color output".

Radius has been providing accurate display color fidelity with the
Precision Color Calibration System, which was first announced in 1988, and
with the extensive display characteristic adjustments possible with its
Dynamic Desktop software and Radius' PrecisionColor Display products. The
company's PrecisionColor Matching System extends this ability to provide
precise WYSIWYG color by allowing specific professional level input and
output device characteristics to be represented on a calibrated display
system and by accelerating the color transformation process needed to
translate color between those devices.

The Radius PrecisionColor Calibrator provides the essential monitor
calibration required by the ColorSync system. The PrecisionColor
Calibrator and calibration software are used to maintain the display
monitor at a consistent, repeatable level, eliminating color variations
that can occur because of monitor drift or differences in brightness and
contrast settings.

Radius has developed complete device profiles for calibrated Radius
PrecisionColor Display systems which will be added to ColorSync. These
profiles will ensure that ColorSync users with Radius and other display
systems will have accurate color consistency with ColorSync-supported
input and output devices. In addition, Radius will add device profiles for
the Apple Color Printer and Color OneScanner to the Radius PrecisionColor
Matching System.

Price and Availability

The Radius PrecisionColor Calibrator is available now from Radius
authorized resellers at a list price of $599. Device profile software for
the Apple Color Printer and Color OneScanner are scheduled for release in
February of 1993 and will be available to PCMS users through authorized
Radius resellers.

Radius Inc. is a graphics systems company that enables Macintosh and
graphical interface-based PC users to dramatically increase the power and
performance of their personal computers. The company maintains its
leadership position by focusing on its customers, designing innovative,
leading-edge software and hardware, and offering superior service and
quality. Major Radius markets include electronic color publishing and
desktop video. Radius' award-winning products are available through a
worldwide network of Radius Authorized Resellers and system integrators.
Radius is listed on the NASDAQ National Market under the symbol RDUS.

Radius Inc, 1710 Fortune Dr, San Jose, CA 95131
408-434-1010;  fax: 408-434-0770

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