Avision AV810C+ - Manual (Page 31)

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4. 2.2 DETERMINING YOUR RESOLUTION
A good control of the resolution results a satisfactory detail of an image
that scans. The resolution is measured by dots per inch(dpi). Normally,
the greater the dpi number, the higher the resolution and the image file
size. Be aware that the greater resolution takes more time, memory and
disk space, therefore, up to a certain degree of dpi, the resolution will
not visually be improved, on the contrary, it makes your files more
unmanageable.
Figure 4-5 Resolution Control
Resolution: 50 dpi
Resolution: 100 dpi