DALBUFRQ specifies the number of buffers to be requested in advance for the GET macro. It is mutually exclusive with the BUFNO (DALBUFNO), BUFIN (DALBUFIN), and BUFOUT (DALBUFOU) keys. When you code DALBUFRQ, # and LEN must be one, and PARM contains the number of buffers.
KEY # LEN PARM
0037 0001 0001 04