Tektronix 070-3205-01 7D20 Programmable Digitizer Reference Guide

Tektronix 070-3857-01 1984 7D20 Programmable Digitizer Operators Manual.

Tektronix 2440 Digital Oscilloscope User & Operators Reference Guide Manual 1988

Tektronix 2440 Digital Oscilloscope User Reference Guide 070-6600-00 Nov 1988

Tektronix 7D20 Programmable Digitizer Manual 070-3858-01 Rev. Mar. 1985

Tektronix 070-3857-01 7D20 Programmable Digitizer Operator Manual

1983 TEKTRONIX TEK 7D20 PROGRAMMABLE DIGITIZER OPERATORS MANUAL, REVISED

Tektronix 070-3857-01 7D20 Programmable Digitizer w/Options Operators Manual