User manual

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For greater quality requirements, higher values can be set,
but these require far more memory and therefore slow down
the speed of the scanning process.
Text recognition functions optimally with the settings given.
MEMORY REQUIREMENT FOR DIFFERENT RESOLUTIONS
Scanning an original with an area of 10 x 10 cm uses the
following amount of memory with the resolution stated:
100 dpi 150 dpi 300 dpi 600 dpi
line picture
19,5 Kb 44 Kb 175 Kb 703 Kb
greyscale
156 Kb 352 Kb 1.37 MB 5.5 MB
colour
469 Kb 1 MB 4.12 MB 16.5 MB
WHAT DOES THE FOLLOWING MEAN?
Resolution The ratio of the pixels (dpi) shown in the area.
Dpi Unit of resolution, number of dots per inch.
Colour
depth
Number of colours which can be represented
simultaneously.
1-Bit = 2^1 = 2 colours = black/ white
8-Bit = 2^8 = 256 colours
16-Bit = 2^16 = 65.536 colours
24-Bit = 2^24 = 16.777.216 colours
OCR Text recognition
Pixel Picture dot
TWAIN Standard – this makes the exchange between
the scanner and the computer possible.