PRTSP specification - Key = '0048'

DALPRTSP specifies printer line spacing. It is mutually exclusive with the CODE (DALCODE), KEYLEN (DALKYLEN), MODE (DALMODE), STACK (DALSTACK), and TRTCH (DALTRTCH) keys. When you code DALPRTSP, # and LEN must be one, and PARM contains one of the following values:
X'01'
No spacing (0)
X'09'
One-line spacing (1)
X'11'
Two-line spacing (2)
X'19'
Three-line spacing (3)
Example: To specify no spacing, code:
KEY    #      LEN    PARM
0048   0001   0001   01