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Dynamic Job Descriptor Entries (DJDEs)
5 Dynamic Job Descriptor Entries (DJDEs)
Dynamic job descriptor entries (DJDEs) are parameters embedded within the input data
stream and are used to modify the printing environment established by a job descriptor en-
try (JDE) "on the fly." Dynamic job descriptor entry processing enables certain JDE param-
eters to be changed on a page-to-page or record-to-record basis. The IDEN command cod-
ed in a JDE notifies the system that DJDE records are included in the input data stream.
This chapter contains information on these topics:
5.1 Benefits of using DJDEs
Some of the benefits derived from changing these job parameters with DJDEs are as fol-
lows:
•
The printing system does not stop between reports nor does it require operator inter-
vention. The operator starts up a job on the printing system and typically returns to it
only when minor operational activity is required.
•
Forms may be changed on a page-to-page basis.
•
Many variations on VFU channel, margin, and top- and bottom-of-form assignments
may be applied to reports as they are created instead of being stored in the printing sys-
tem through JDEs. Thus, the number of JDEs required for job processing is reduced.
•
Unusual processing requirements may be satisfied through the use of DJDEs.
•
Varying numbers of copies can be generated automatically with routing or distribution
notification sent to the operator.
•
Nonprint data can be downloaded for storage on the LCDS-Module system disks
through the print stream.
In the following sections of this chapter, note that some DJDE parameters show a default
value. This is the default value used if the parameter is not specified in either a DJDE or the
current JDE or JDL. If the parameter is not specified in a DJDE but is specified in the current
JDE or JDL, the JDE or JDL value remains in effect.
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Benefits of using DJDEs
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