Seiko Group BP-9000 - Manual (Page 101)

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9. Bar code and enlarged character
If parameter m is different than shown above, this sequence is ignored.
The absolute print position is based on the left margin. If the specified
position exceeds the right margin, the print position is located at the right
margin.
If a relative lefthand printing position to the left of the left margin is
specified, left margin becomes the printing position.
If a relative righthand printing position to the right of the right margin is
specified, the right margin becomes the printing position.
The movement distance is not dependent on the width expansion of
enlarged characters.
(23) Vertical printing position for enlarged characters: DC4 DC4 y
Format: ASCII DC4 DC4 y m n1 n2
Hex 14 14 79 m n1 n2
Decimal 20 20 121 m n1 n2
Function: Specifies the vertical position for printing enlarged characters
by (n1 + n2 x 256)/180” as shown below.
m = SP(20)H: Absolute printing position
-(2D)H: Relative reverse printing position
+(2B)H: Relative forward printing position
0
≤
n1
≤
255
0
≤
n2
≤
127
The MSBs of parameters m and n2 are masked. If parameter m is other
than shown above, this sequence is ignored.
The absolute print position is based on the TOF position. If the specified
position extends below the bottom margin, the bottom margin becomes the
print position.
If a relative reverse printing position exceeding the TOF position is
specified, the TOF position becomes the print position.
If a relative forward printing position that extends below the bottom
margin is specified, the print position is located at the bottom margin.
The movement distance is not dependent on the length expansion of
enlarged characters.