Some engineering and architectural schools have resources, including textbooks and reference materials, that cover building automation systems. University libraries or online databases (e.g., ResearchGate, Academia.edu) might have papers or theses that include information on systems like the Trend 963.
: Instructions for graphing and analyzing values from IQ controllers. trend 963 engineering manual
: Trend 963 is now considered obsolete, with all official technical support and relicensing scheduled to end as of January 1, 2025 . 963 User Guide | PDF | World Wide Web - Scribd including textbooks and reference materials