Canon D1250U2F - CanoScan USB Flatbed Scanner Manuale di avvio rapido - Pagina 25
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Precautions for Scanning at High Resolutions
Please note that file sizes increase almost exponentially as the resolution is raised when scanning in
color mode. Scanning at high resolutions may require more time for scanning and image processing.
You are recommended to avoid raising the resolution beyond the minimum requirement to scan in
color mode.
File Size Estimates for Scanning an Letter/A4 Size Original in Color
Letter
- 75 dpi
1.58 MB
- 100 dpi
2.8 MB
- 150 dpi
6.3 MB
- 300 dpi
25.2 MB
- 600 dpi
101 MB
- 1200 dpi
404 MB
A4 color image
* These numbers are approximate and may differ from actual scan results.
Resolution Guidelines
• For uploading to a web site or viewing on a computer monitor, choose 75 dpi
• For scanning print photos and magazine clippings, choose 150 - 300 dpi
• For printing on a inkjet printer, choose a resolution approximately half the printer's rating (180 dpi,
360 dpi, 600 dpi or 720 dpi)
A resolution higher than 600 dpi is effective for scanning relatively small originals that will be blown
up to larger sizes for printing.
4"(10cm)
• The maximum size of files scanned by the bundled PhotoBase program is limited by
Windows Me and Windows 98 to 256 MB.
*D1250U2F_QSG_E
A4
1.6 MB
2.9 MB
6.5 MB
26.1 MB
104 MB
418 MB
1.6MB
75 dpi
Scanning at double
the resolution
6"(15cm)
Scanning at half
the resolution
23
104MB
26.1MB
6.5MB
2.9MB
1.6MB
100 dpi
150 dpi
300 dpi
600 dpi
12"(30cm)
3"(7.5cm)
2"(5cm)
D1250U2F Quick Start Guide
11/24/01, 7:19 AM
418MB
1200 dpi
8"(20cm)
23