VT 240 Series Owner's Manual

This owner's manual provides comprehensive guidance for the operation, maintenance, and troubleshooting of the Digital VT240 Series video terminal. It is organized into six chapters and three appendices, covering a wide range of topics. The document begins with an introduction to the terminal's components, operating states, and various modes, followed by detailed descriptions of its controls, indicators, and connectors, including those for the system box, monitors, and keyboards.

The manual then outlines operating procedures, such as different printing modes, using the integral modem/auto dialer, and composing characters. A significant section is dedicated to terminal setup, explaining how to navigate and configure various set-up screens for display, general features, communication parameters, printer settings, keyboard preferences, tab stops, graphics, and telephone features. Communication aspects, including host and printer port interfaces, modems, cabling, character formats, and data flow control, are thoroughly described. Finally, the manual provides problem-solving guidance, including a checklist for common operational issues, details on the power-up self-test, and information on digital service. Appendices offer detailed technical specifications, available options, related documentation, and illustrations of supported national keyboards.