A.4 Commands
Appendix A-65
• White level follower: byte 32
If reserved value is specified, this scanner returns the following error information as follows:
- Status: B’00001’ (CHECK CONDITION)
- Sense key: X’5’ (ILLEGAL REQUEST)
• Subwindow list: bytes 33 and 34
Specifies the subwindow identifier for a subwindow included in the window according to the
specification in bytes 33 and 34. (For example; X’00001’ for subwindow 0, X’00002’ for
subwindow 1, X’00006’ for subwindows 1 and 2.)
The maximum number of subwindows which can be included in one window is shown in the
table below.
Maximum number of subwindow Value of byte 34
4 0 to 3
If other subwindows are specified, this scanner returns the following error information:
- Status: B’00001’ (CHECK CONDITION)
- Sense key: X’5’ (ILLEGAL REQUEST)
Value (Hex) Meaning
00
Default. White level follower depends on the IMAGE
COMPOSITION.
01 to 7F (Reserved)
80 Enables white level follower.
81 to BF (Reserved)
C0 Disables white level follower.
C1 to FF (Reserved)
IMAGE
COMPOSITION
White level follower
Line art (X’00’) Enables white level follower
Halftone (X’01’) Disable
Gray scale Disable
