DALFCBAV requests that the operator be prompted to check the alignment
of the printer forms before the data set is printed, or to visually
verify the image displayed on the printer as the desired one. The
FCB image-id (DALFCBIM) key must also be coded when DALFCBAV is specified.
When you code this key, # and LEN must be one, and PARM contains one
of the following values:
- X'04'
- Verification is requested (VERIFY).
- X'08'
- Alignment is requested (ALIGN).
Example:: To specify verification, code
KEY # LEN PARM
0026 0001 0001 04