Avision av610 用户手册

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3.1.3  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.