Avision AV220 - Manual (Page 25)

4-4
4.1.3 Determining a Proper Resolution
1. Resolution
A proper resolution
reproduces a clear image
with good details. The
resolution is measured by
dots per inch (dpi).
Resolution: 50 dpi Resolution: 100 dpi
Note
For your information, an A4 size color image scanned at 300 dpi at True Color
mode consumes approximately 25 MB of disk space. A higher resolution
(usually means over 600 dpi) is only recommended when you need to scan a
small area at True Color mode.
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