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A-63055 December 1999 7
Mode
Choose a grayscale or binary (black and white) scanning format in the
Mode drop-down list box. Select the format that is best suited to your
application. Grayscale provides better image quality but requires more
scanning time and memory.
Grayscale Binary
NOTES: Additional memory may be required for grayscale scanning,
depending on the selected resolution and paper size. Refer
to the chapter entitled
Memory Requirements
for more
information about memory.
If the base memory is not adequate,
Mode
automatically
resets to the smallest format. No error message appears.
4-level gray = 2-bit gray
8-level gray = 3-bit gray
16-level gray = 4-bit gray
256-level gray = 8-bit gray