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Xsane

Often one can hover over the setting to get a description - but not always.

Terms Defined

Snap Scan

Standard Options

RIF

Reverse Image Format - Inverts the colors - negative

Emphasis

Negative to smooth or positive to sharpen image

Variance

Set SDTC variance rate (sensitivity), 0 equals 127 ( might be helpful for OCR??)

Advanced option

DF action

Default Action after double feed error.

DF Skew

Default action after skew error

DF thickness

Default action on thickness error

DF thickness

Default action on lenth error

Buffer Mode

Uses Scanner buffer - with good or bad effect?

Prepick

Grab next page from ADF -- It specifies whether a document is picked and carried in front of the scanning position before

starting scanning operation at the ADF scanning. Disabled: Pre-Pick is not performed. A document is picked and carried in front of the scanning position, after starting scanning operation. Enable Pre-Pick is performed. A document is picked and carried in front of the scanning position, before starting scanning operation. ?? not clear - Testing shows no difference.

Low Memory

don't use on modern GB computers

Software deskew

Seems to not work correctly

Software crop