The KFax Handbook
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# 3.4. Fax Options

KFax supports a number of options in order to allow you an optimal configuration for your specific usage.

Display Options.

  - Landscape: Show the fax pages by default rotated by 90 degrees.

  - Upside Down: Display the fax pages by default upside-down.

  - Invert: Display the Fax as white on black background

Raw Fax Resolution.

  - Auto: Some fax transmission programs set the first letter of the name of a fax of "fine" resolution to an f and to an n for a fax of "normal" resolution. If "Auto" is checked KFax will observe this convention. This options has no effect on Tiff and "PC-Research (DIGIFAX) facsimili. Those facsimili are self-specifying.

  - Fine: Assume raw fax files (g3-g32d-g4) are fine resolution facsimili (7.7 lines/mm). Tiff and "PC-Research" (DigiFAX) files are self-specifying.

  - Normal: Assume raw fax files (g3/g32d/g4) are of normal resolution (3.85 lines/mm). Each fax line is duplicated in the displayed image to give approximately equal vertical and horizontal scales.

Raw Fax Data:

  Checking LS-Bit first will lead KFax to assume that the bit order of the fax data bytes is reversed. The official fax specification deals only with serial data transmission. Modem manufacturers have to decide whether the first bit received should be placed in the most significant or the least significant position in a byte. The consensus is to pack most significant first, but the options is available to deal with the opposite order.

Raw Faxsimili Format:

  - g3: Assume the raw input files use group 3, 1-dimensional coding.

  - g32d: Assume the raw input files use group 3, 2-dimensional coding.

  - g4: Assume the raw input files use group 4 coding.

Raw Fax Data default height-width:

  - height: specify the default number of line for raw fax data

  - width: specify the default number of pixels in each scan line for raw fax data The default value is 1728.

  - auto: this option is the recommended setting for g3 raw fax data. g3-2d and g4 need explicit dimensions.

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