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6.3 Command
Commands sent from the host machine to the scanner are as listed in Table 6.2.
Table 6.2 Commands
Command name
Command
code
Details
CLEAR 44 This command initializes the scanner.
This command can be issued at any time.
CONTROL 58 This command sets the operation mode of
the scanner and the operation mode in the
main window.
IMAGE
CONTROL
5A This command sets the image processing
mode of the scanner.
SUB WINDOW
CONTROL
5C This command sets the subwindow
attribute of the scanner.
START 53 This command reports the size of a
document to be read.
READ 54 This command starts reading. The
scanner starts reading according to the
operation mode set previously.
SENSE 41 This command requests a scanner status
report.
RETURN
SENSE
42 This command requests a status report on
the return of the flatbed scan.
IMAGE MODE
SENSE
43 This command requests a status report of
the image processing mode of each main
window and the number of pixels (in units
of a byte) per line in the X>direction.
SEND DITHER 46 This command transfers the dither and
overlay patterns.
SEND DITHER2 47 This command transfers the dither, d
curve, or overlay patterns.
6 $ 4 50FH5037E>02