IBM 3740 Data Entry System
IBM 3741 Data Station
IBM 3742 Dual Data Station
Systems Reference Manual
This publication is a reference manual for customer appli-
cations personnel and key entry supervisory personnel who
wish specific information about the IBM 3741 Data Station
and the IBM 3742 Dual Data Station.
Information in this manual pertains to both the 3741 and
3742 unless specified otherwise. Chapter 1 presents a gen-
eral overview of the 3740 system and the 3741 and the
3742, listing the standard functions and features available.
Chapter 2 presents information about the IBM Diskette.
Chapter 3 deals with operating characteristics in terms of
data flow, modes of operation, disk unit, and buffers.
Chapter 4 defines the display unit and the keyboard. Chap-
ters 5 through 12 ~eal with specific details about functions