9
A
D
E
11
12
6
n
27
28
15
16
17
18
19
1A
1B
1C
1D
1E
Byte 0
1
5
Padding type
(Reserved)
Subwindow identifier
7 6 5 4 3 2 1 0
(MSB)
Upper left X
(LSB)
(MSB)
Width
(LSB)
(MSB)
Length
(LSB)
Brightness
Threshold
Contrast
Image composition
Bit per pixel
Halftone pattern
(MSB)
(LSB)
(Reserved)RIF
(Reserved)
Vender unique parameter
(MSB)
Upper left Y
(LSB)
(a) Subwindow identifier: Byte 0
Specifies a unique value that identifies a subwindow. If two or more
subwindow identifiers are specified for a single set of subwindow data, the
most recently specified identifier is validated.
This scanner allows up to four subwindows for each main window to be set.
Therefore, a value 0 to 3 is specified in this field. If a value 4 or greater is
specified, this scanner returns the following error information:
4 $ 59