Mitsubishi Electric KD Series User Manual page 66

5-2 Setting ④ Select resolution
5-2-4 Resolution setting for Main scan direction
【 Input 】 【 Output 】
Command Parameter CR Result Parameter
ＲＣ ** CR **
[initial Value] 600dpi
[Settings] Resolution 75dpi , 150dpi ,300dpi ,600dpi
１） Pixel data structure at 600dpi mode
600dpi
２） Pixel data structure at 3000dpi mode
300dpi （ Average of 2 neighbor pixels ）
３） Pixel data structure at 150dpi mode
150dpi Average of 4 neighbor pixels ）
４） Pixel data structure at 75dpi mode
75dpi （ Average of 8 neighbor pixels ）
Example
Set resolution to 600dpi mode
RC 00 <CR> 00 00
⇒
TM-XG537C
CR
** CR
<CR>
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【 Resolution setting for Main scan direction 】
[Function]
to define a resolution of output image data .
Pixel pitch of sensor IC is 600dpi and Optical resolution is
also same as Pixel pitch (600dpi).
Variation of output resolution is realized by digital
processing on data output circuit . Each resolution data
comes from calculation of neighbor 2,4,8 pixel averaging.
【 Remarks 】
1) Pixel pitch of sensor IC is 600dpi and Optical resolution
is also same as Pixel pitch (600dpi). And internal data
processing of CIS is handled as 600dpi data .
2) Scan rate is not faster than specified line rate on spec.
sheet even so resolution of data output is lower .
3) If it is necessary for scanning image to have square
pixel , should be change the transfer speed of the
object as following .
300dpi : 2 times faster than 600dpi mode
150dpi : 4 times faster than 600dpi mode
75dpi : 8 times faster than 600dpi mode
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