IBM 3480 User Reference page 11

Chapter 5. Displaying Messages (MSGDISP) •••.•...••.•••.• 33
Displaying a Message from any User Program (MSGDISP RDY) ...... 33
Example of How to Code MSGDISP RDY ...................... 34
MSGDISP-Displaying a Ready Message ...................... 35
,MSGDISP-Displaying a Ready Message List Form ...........
l...
36
MSGDISP-Displaying a Ready Message Execute Form ........... 37
Displaying a Message from Authorized Programs .................. 38
MSGDISP-Displaying a Mount Message ...................... 39
MSGDISP-Displaying a Verify Message ...................... 42
MSGDISP-Displaying a Demount Message .................... 46
MSGDISP-Resetting the Message Display ..................... 50
MSGDISP-Providing the Full Range of Display Options .......... 53
Return Codes from MSGDISP ............................... 57
Modifying MSGDISP for Other Languages ....................... 58
Chapter 6. Managing and Controlling Data Sets .•....••.•••. 61
Specifying Esoteric Unit Names ............................... 61
Recycling Tapes ........................................... 61
Establishing or Changing the Values of DFHSM Control Parameters
(SETSYS) ............................................... 62
Specifying the Tape Density When Allocating Scratch Tapes
(DENSITY) ............................................ 62
Specifying the Type of Unit for Mounting a Scratch Tape
(UNITNAME) .......................................... 62
Specifying Esoteric Tape Unit Name to DFHSM
(USERUNITTABLEI NOUSERUNITTABLE) .................. 63
Adding or Changing the Volumes Managed by DFHSM (ADDVOL) 64
Specifying the Type of Device (UNIT) ........................ 64
Specifying the Tape Density (DENSITY) ...................... 65
Chapter 7. Recording Error or Statistical Information .......•. 67
Using EREP Reports ........................................ 67
Using Error Recovery Procedures (ERP) ........................ 67
Using IMS/VS Logging ...................................... 67
Chapter 8. Restrictions to Using Sorting Applications (DFSORT) 69
SORTWKnn DD statement ................................... 69
SORTOUT DD Statement .................................... 69
Appendix A. Data Control Block Symbolic Field Names ........ 71
Magnetic Tape Interface ..................................... 72
Appendix B. Programming Messages and Codes •.•..••.•..•• 73
Return Code from the CHKPT Macro Instruction for the 3480 ........ 73
ABEND Completion Codes Issued by Checkpoint/Restart for the 3480 .. 73
ABEND Return Codes ...................................... 73
Glossary .•..•.••.•.•••....•.........•..............• 75
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
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IBM 3480 Magnetic Tape Subsystem User's Reference