User manual

Compaq is a registered trademark of Compaq Computer Corporation.
Ethernet is a registered trademark of Digital Equipment Corporation, Intel, and Xerox Corporation.
HP 9000 is a trademark of HewlettPackard Company .
IBM and IBM PC A T are registered trademarks of International Business Machines Corporation.
IBM PS/2 is a trademark of International Business Machines Corporation.
MicroV AX and DECnet are registered trademarks of Digital Equipment Corporation.
MSDOS is a registered trademark of Microsoft.
PLC, PLC2, PLC3, and PLC5 are registered trademarks of AllenBradley Company , Inc.
PLC5/250, Pyramid Integrator , Data Highway Plus, CVIM, and INTERCHANGE are trademarks of AllenBradley Company , Inc.