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| Part | Date | Title | Status |
|---|---|---|---|
| BFISD5161 | 1981 | Basic Four Ergonomic Video Display Terminal Operator's Guide | Online |
| BFISD8046 | 1980 | Model 7270 Video Display Terminal Service Manual | Online |
| BFISD8070P | 1983-04 | Basic Four Model 4309 Ergonomic Video Display terminal Service Manual | Online |
| LD7210 | 1976-08-16 | Logic Diagrams for Models 7220 and 7230 Video Terminal | Online |
| SM7210 | 1976-08 | Service Manual for Models 7220 and 7230 Video Terminal | Online |