BIT SWITCHES
B404 5-22 SM
5.3.2 SCANNER SWITCHES
Scanner Switch 00
No FUNCTION COMMENTS
0 Type of special original mode
0: Monotone background
1: Colored background
This setting determines the scanner parameters
used for special original mode.
0: This setting is for originals with random
background of constant density, such as seen on
banknotes (faxing banknotes is not recommended!).
1: This setting is for originals with background of
constant density, such as those made on coloured
paper.
This switch becomes effective only when system
switch 19 bit 7 is set to 1.
1-6 Not used Do not change the settings.
7 Photo mode operation
0: Photo mode
1: Text/Photo mode
This determines how photo mode actually operates.
If 0 is selected it will operate the same as photo
mode.
This only affects scanning in fax mode.
Scanner Switch 01
No FUNCTION COMMENTS
0
to
5
Scan density step value
(Text mode)
When scan density is adjusted manually away from
the Normal setting, the threshold value for binary
picture processing changes for each step from the
value specified by Scanner Switch 02, by the
amount programmed here.
For example, with the default setting (05), the
threshold value changes as follows.
+2 (Darkest) : 20 (= 25 - 5)
+1 : 25 (= 30 - 5)
0 (Normal) : 30 (Scanner Switch 02 setting)
-1 : 35 (= 30 + 5)
-2 (Lightest) : 40 (= 35 + 5)
The value can be between 00 and 3F(H) [= 63 (D)].
For a darker threshold, input a lower value.
6-7 Not used. Do not change the settings.
Scanner Switch 02
No FUNCTION COMMENTS
0
to
5
Binary picture processing:
Threshold for Text mode -
Normal setting (center position)
This setting determines the threshold value for
binary picture processing in Text mode (when the
scan density setting is at the center).
The value can be between 01 and 3F. For a darker
threshold, input a lower value.
Default setting: 1E (H) = 30 (D)
6-7 Not used. Do not change the settings.
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