FUJITSU 50FH5037E-02 - Manual (Page 61)

(d) Control register #3
X©A6π is set when the power is turned on or when a CLEAR command is issued for
initialization.
This register is valid when IPC ¬ option is installed.
7 6 5 4 3 2 1 0
LSB MSB
DTC
Threshold curve
000 Light
001 For OCR
010 (Darken more and more)
011
100
101
Dark
110 Dark
111 Light
Gradation
00 Ordinary image
10 High contrast image (Ex. Newspaper)
Smoothing mode
00 For OCR
01 For Image scanner
10
11
Filtering
0 : Ball>point pen mode
1 : Ordinary mode
For Image scanner
Not defined
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