A.4 Commands
∙DTC mode: byte 2F
X’A6’ is set when the power is turned on.
This byte is valid when
MSB | LSB |
7 6 5 4 3 2 1 0
DTC
Threshold curve
000 | Light |
|
|
| |||
001 |
|
| For OCR |
010 |
|
| (Darken more and more) |
011 |
|
|
|
100
101Dark
110 | Dark |
| For Image scanner |
| |||
111 | Light |
| |
|
|
Gradation
00 Ordinary image
10 High contrast image (Ex. Newspaper)
Smoothing mode
00 |
|
| For OCR |
01 |
|
| For Image scanner |
10 |
|
| Not defined |
|
| ||
11 |
|
| |
|
|
| |
Filtering |
| ||
0 : |
|
| |
1 : |
|
| Ordinary mode |
Appendix