ESC/POS Command Manual
34
GS
∗
x y
d1...d
(x
×
y
×
8)
[Name] Define downloaded bit image
[Format]
ASCII GS
∗
x
y
d1
…
d
(
x
x
y
x 8)
Hex 1D
2A
x
y
d1
…
d
(
x
x
y
x 8)
Decimal 29
42
x
y
d1
…
d
(
x
x
y
x 8)
[Range]
1
≤
x
≤
255
1
≤
y
≤
48
x
x
y
≤
1536
0
≤
d
≤
255
[Description]
Defines a downloaded bit image with the number of dots specified by
x
and
y
.
x
indicates the number of dots in the horizontal direction.
y
indicates he number of dots in the vertical direction.
[Details] The number of dots in the horizontal direction is
x
x
8, in the vertical
direction it is
y
x
8.
If
x
x
y
is out of the specified range, this command is disabled.
The d indicates bit-image data. Data
(d)
specifies a bit printed to 1 and not printed to 0.
The downloaded bit image definition is cleared when:
①
ESC@ is executed.
②
ESC & is executed.
③
FS q is executed.
④
Printer is reset or the power is turned off.
The following figure shows the relationship between the downloaded bit
image and the printed data.