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Document Title: [00readme.txt (text file)]

475.pdf:  TM 11-6625-2735-14 Operator's, Organizaational, Direct Support, and General Support Maintenance Manual for Oscilloscope OS-261/U (Tektronix 475).

475option4-scope-maintenance-manual.pdf:  TM 11-6625-2735-14-1 Operator's, Organizaational, Direct Support, and General Support Maintenance Manual for Oscilloscope OS-261B(V)1/U (Tektronix 475 with option 04).


475option4and7-scope-tech-manual.pdf:  TM 11-6625-2735-24P-1 Operator's, Organizaational, Direct Support, and General Support Maintenance Manual for Oscilloscope OS-261B(V)1/U (Tektronix 475 with option 04)and Oscilloscope OS-261C(V)/U (Tektronix 475 with Option 04 and Option 07).

475series-scope-calibration.pdf:  TB 9-6625-2240-35  Calibration Procedure for Oscilloscope OS261U (Tektronix, Type 475), OS261A(V)1U (Tektronix, Type 475 Option 7), OS261B(V)1U (Tektronix, Type 475 Option 4), OS261C(V)1U (Tektronix, Type 475 Option 4/7) and Tektronix, Type 475A (Tektronix, Type R475A).}