Table Of Contents - IBM 3741 Data Station Reference Manual

Contents
CHAPTER 1. IBM 3741 DATA STATION •
CHAPTER 4. PRODUCTION STATISTICS
34
IBM 3741 Data Station Overview. Counters.
34
Keyboard 2
Keystroke Counter .
34
Display 2 Record Counter.
34
Diskette Unit
3
Verify Correction Keystroke Counter
34
Standard Functions and Available Features
4
Displaying Production Statistics
34
Track to Record Conversion Table
35
CHAPTER 2. OPERATION MODES AND
CONSI DE RATIONS 5
CHAPTER 5. ONLINE FIELD TOTALS
36
Buffers 5
Online Field Totals Operation. 36
Current Record Buffer 5
Displaying Field Totals.
36
Previous Record Buffer. 5
Programming Online Field Total Fields
36
Hold Buffer •
5
Accumulate Totals Fields
37
Program Buffers.
5
Read Out/Reset Field Total Fields
37
Power On Information 5
Online Field Total Restrictions
38
Modes of Operation.
6
Example.
38
Read Index Mode (X) 6
Auto Balance Example •
39
Index Track Data Set Labels 8
Data Set Label Error Checking 11
CHAPTER 6. OFFLINE FIELD TOTALS 40
Modify Index Mode (M) 11 Offline Field Totals Operation
40
Enter Mode (E)
12
Displaying Offline Field Total Accumulators
40
Update Mode (U) 13
Programming Offline Field Total Fields •
41
Verify Mode (V) 13
Accumulate Totals Fields
41
Field Correct Mode (C) . 15
Read Out Field Totals Fields
41
Search Mode (S) • 15
Read Out/Reset Field Totals Fields
41
Field Totals Mode (F) 18
Control Statements.
42
Hexadecimal Data 18 Control Statement Format Character Description 43
Multipunch Operations. 19
Examples.
45
Hexadecimal Display 19 Unconditional Program Buffer Selection.
46
Deleted Records. 19 Offline Field Totals Example
46
Mode Considerations for Deleted Records 20 Program Buffer 5
47
Record I nsert Feature 20 Program Buffer 6
47
Record Insert Mode Characteristics 21 Program Buffer 7
47
Adding Records to a Batch 22
Offline Field Totals Setup Example 47
Data Recovery 22
Bad Spots on Disk 23
CHAPTER 7. SECOND DISK
49
No Record Found (2) Error 23
Dual Disk Operation on the 3741 •
49
Seek (3) Error 23
Search Operations on the Second Disk
49
Disk Read (4) Error. 23
Copy .
50
Disk Write (5) Error 24 Copy All (Image Copy) or Part of Disk 2 50
CE Mode. 24
Copy All (Image Copy) or Part of a Data Set 50
Copy Up to a Specified Record on Disk 2
50
CHAPTER 3. PROGRAM INFORMATION 25 Copying a Record
50
Program Coding • 25
Program Field Descriptions 25 CHAPTER 8. DISK INITIALIZATION.
51
Creating and Storing Programs 28 Initialization Procedure
52
Displaying Programs 30 Disk Checking 53
Changing a Program in a Program Buffer. 30
Program Chaining 30
CHAPTER 9. SELF-CHECK FEATURE
55
Program Chaining Example 31
Computing the Self-Check Digit
55
Operator Guidance • 31
Modulus 10
55
Prompting Messages. 32
Modulus 11
56
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