FUJITSU M3093DG - Manual (Page 108)

Note:
Front>side subwindow or back>side subwindow is specified by subwindow
identifier.
M3096GX/M3093GX must use only front>side subwindow data.
M3093DG can use both front>side and back>side subwindow data.
If the scanner uses front>side and back>side subwindow at a time, those
subwindow data must be set by on SET SUBWINDOW command.
Up to four subwindows
#2 #1 #4
Subwindow descriptor block
Header
a. Header
Subwindow data (header) is shown in the following illustration.
Byte 0
7
5
6
(Reserved)
7 6 5 4 3 2 1 0
Window descriptor block length
(MSB)
(LSB)
(a) Subwindow descriptor block length: Bytes 6 and 7
Specifies the length in bytes of a subwindow descriptor block. Each block
has a same length. The allowable range of length is between 40 and 64
bytes. For a length outside this range, this scanner returns the following
error information:
f Status: B©00001π (CHECK CONDITION)
f Sense key: X©5π (ILLEGAL REQUEST)
b. Subwindow descriptor block
Subwindow data (window descriptor block) is shown in the following
illustration.
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