IBM 3740 Manuals

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IBM 3740 Reference Manual

IBM 3740 Reference Manual (96 pages)

Data Entry System; Data Station; Dual Data Station

Brand: IBM | Category: Data Loggers | Size: 6.59 MB

Table of Contents

Table of Contents
3
Chapter 1. Ibm 3740 Data Entry System

7
- System Overview
  7
  - IBM 3741 Data Station and IBM 3742 Dual Data Station Overview
    9
Chapter 2. IBM Diskette

12
- Disk Layout
  12
  - Index Track Layout
    13
  - Index Track Data Set Labels
    14
Chapter 3. Data Station Operating Information

16
- Buffers
  16
- Modes of Operation
  16
  - Enter Mode (E)
    16
  - Update Mode (U)
    17
  - Verify Mode (V)
    17
  - Modulus
    17
  - Field Correct Mode (C)
    19
  - Search Mode (S)
    19
  - Read Index Mode (X)
    22
  - Modify Mode (M)
    22
  - Field Totals Mode (F)
    22
- Starting Information
  23
- Record Advance Operation
  23
- Deleted Records
  24
  - Mode Considerations for Deleted Records
    24
- CE Mode
  24
Chapter 4. Operator Interface

25
- Display
  25
- Keyboard
  26
  - Switches
    26
  - Function Select Keys
    26
  - Character Keys
    27
  - Function Keys
    27
Chapter 5. Programming Information

32
- Program Coding
  32
- Loading a Program
  32
- Selecting a Program
  32
- Displaying a Program
  34
- Modifying a Program
  34
- Program Chaining
  34
- Operator Guidance
  35
Chapter 6. Production Statistics

36
- Counters
  36
  - Keystroke Counter
    36
  - Record Counter
    36
  - Verify Correction Keystroke Counter
    36
- Displaying Production Statistics
  36
Chapter 7. Field Totals

37
- Online Field Totals
  37
  - Displaying Field Totals
    37
  - Read Out/Reset Fields
    37
  - Online Field Total Restrictions
    38
  - Example
    38
- Offline Field Totals
  39
Chapter 8. Second Disk

43
Chapter 9. Disk Initialization

46
- Initialization Procedure
  47
- Disk Checking
  47
Chapter 10. Self-Check Feature

48
- Computing the Self-Check Digit
  48
  - Modulus 10
    48
Chapter 11. Communigations

50
- Teleprocessing Bibliography
  50
- Programming Support
  51
  - Networks
    51
  - Communications Facilities
    52
  - Communications Throughput
    52
  - 3741 Transmission Modes
    55
- Features
  55
- Operating Procedures
  57
- Communication Modes
  57
  - Transmit Mode (T)
    57
  - Transmit-Transparent Mode (P)
    62
  - Receive Mode (R)
    62
  - Transmit/Receive Mode (B)
    63
  - Transmit-Transparent/Receive Mode (D)
    63
- Communications Example
  63
- Line Termination and Error Conditions
  64
  - Termination of Data Call
    64
  - BSCA Error Conditions and Indications
    65
  - BSCA Disk Errors
    66
  - Track and Sector Indicators
    67
  - Status Message Format
    67

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