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X-Y mode requires the use of the external horizontal input in an 11 series time base. | X-Y mode requires the use of the external horizontal input in an 11 series time base. | ||
* [http://w140.com/kurt/647.pdf Tektronix 647 Manual (PDF)] | * [http://w140.com/Tek_647_2.pdf Tektronix 647 Manual (PDF)] | ||
* [http://w140.com/kurt/647.pdf Tektronix 647 Manual (PDF scan of a photocopy)] | |||
* [http://w140.com/RM647_schematics.pdf Tektronix RM647 Schematics (large format, PDF)] | * [http://w140.com/RM647_schematics.pdf Tektronix RM647 Schematics (large format, PDF)] | ||
* [http://bama.edebris.com/download/tek/647a/tek%20647a.djvu Tektronix 647A Manual (DjVu)] | * [http://bama.edebris.com/download/tek/647a/tek%20647a.djvu Tektronix 647A Manual (DjVu)] |