maintenance-manual · English
EAI 580 Console Handbook — Chapter 4: Readout Selector System
Chapter 4 of the EAI 580 analog computer console handbook covering the Readout Selector System in full detail. The chapter describes the address select circuit (models 0.51.0359, 0.51.0360, 0.11.0213), all address-mode pushbutton switch circuits (DIG I/O, PP, F, D, D/10, P, A), the voltmeter (VM) null circuit and FUNCTION/RANGE switch functions, and the relay-matrix potentiometer readout scheme. Two appendices provide replaceable-parts lists with EAI part numbers dated October 1967 for seven card assemblies (Select Mother Card, Select Amplifier Network Card, Select Stabilizer Card, Monitor Panel, Voltmeter Card, Address Select Card, Units and Tens Select Card), plus an indexed set of schematics and wiring diagrams for the keyboard panel, select mother card, monitor panel, address select, units/tens select, and the 0.13.0046 Voltmeter Card.