Notes on Asynchronous Data Transmission USA Standard Code for Information Exchange TELERAY Display Font General System Orientation/Organization Power Supply Theory of Operation Optional Composite Video Changing Formats and Features RS232C Communications Interface Current Loop ( 20 ma. Power Line Connections Interface Connections A cursor indicates the next data entry position it can be moved left or right with or without the Space-Over-Data function The character set consists ofĦ4 displayed and 98 generated ASCII characters. The screen can display 24 lines of up to 80 characters per line. Characters are displayed at the bottom of the screen and each line of information ” scrolls ” upward as the next line is entered. The keyboard at the front of the terminal or from a standard data interface, and is displayed on the CRT screen. The TELERAY 3500 series CRT Data Terminals are communications-oriented units providing transmission and reception of character-oriented data.
SATTVA DESCREEN VERSION 3.5 GENERATOR
Use extreme caution when working on the unit.ĬAUTION: Certain of the integrated circuits used in the TELERAY are MOS ICs although they are input-protected, use standard MOS handling procedures when working on the circuitry, particularly the 2513 Character Generator ROM. WARNING: High voltages injurious to health are present inside the TELERAY, particularly in the vicinity of the CRT monitor. Note that appropriate test equipment is required for some adjustments. Please read this manual before attempting to service a TELERAY. It is assumed that the reader has both a general background in electronics and a knowledge of digital communications and circuitry. This service manual provides complete servicing and adjustment information for the TELERAY 3500 series CRT Data Terminals.
SATTVA DESCREEN VERSION 3.5 MANUALS
Scanned Book and Magazine Collection -> Service Manuals and Repair Books (CRT monitors, data terminals) Highly educational and worth of a scroll through by anyone. I am sharing these as there is a lot of narritive that explain to you a fascinating chain of electronics that go into making a terminal work. Teleray 3500 and Teleray 3500 C1 are covered. A recent donation brought alone these rare, late 1970s service manuals and schematics.
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