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* [[Media:070-0749-00.pdf|Tektronix 240 Manual]] (OCR) | * [[Media:070-0749-00.pdf|Tektronix 240 Manual]] (OCR) | ||
* [https://w140.com/tek_240_r250_description.pdf 240 and R250 Description from Tektronix Automated Testing Systems book] | * [https://w140.com/tek_240_r250_description.pdf 240 and R250 Description from Tektronix Automated Testing Systems book] | ||
* [[Media:Tek 240-250 fcp april 1969.pdf|Tektronix 240-250 Factory Calibration Procedure, April 1969]] ( | * [[Media:Tek 240-250 fcp april 1969.pdf|Tektronix 240-250 Factory Calibration Procedure, April 1969]] (OCR) | ||
}} | }} | ||
The '''Tektronix 240''' is a pre-[[GPIB]] "Program Control Unit" [[introduced in 1968]] for the Tektronix [[568]] scope and [[230]] readout. | The '''Tektronix 240''' is a pre-[[GPIB]] "Program Control Unit" [[introduced in 1968]] for the Tektronix [[568]] scope and [[230]] readout. | ||
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The first digit corresponds to the head number on the disc drive. | The first digit corresponds to the head number on the disc drive. | ||
The other three digits correspond to the sector number. | The other three digits correspond to the sector number. | ||
==Links== | |||
{{Documents|Link=240}} | |||
==See Also== | ==See Also== | ||