Specifications

Glossary 81
Networking Alpha Signs (9700-0112C) October 8, 2003
For 20/20 vision, 1” of character height can be read at 50 feet. For 20/40 vision, 1” of character height can be
read at 40 feet.
WAN
Wide Area Network. Computers that are networked together over a wide geographic area, sharing
information over telephone lines and radio waves.
wavelength
A measure of color saturation in nanometers. See also brightness and luminance.
WAWN
Wide Area Wireless Network. A group of computers that are connected wirelessly over a wide geographic
area. A transmitter attached to a PC broadcasts data to devices equipped with a data receiver.
wireless connectivity
A wireless connection in which a transmitter is attached to a PC, and each sign is equipped with a wireless
receiver. This allows text and graphics to be sent wirelessly to the sign.
workstation
A computer node through which a user can access a server or other nodes.