♦Gamma download pattern file
Any user defined gamma correction processing can be performed by downloading the pattern from the gamma download file to the scanner. The defined pattern becomes effective when [Download Pattern] is selected for [Gamma Pattern].
Some models do not support this file. See "Relevant Image Scanner Specification" in Appendix.
Although the standard extension of the file name is ".GMA," there may be exceptions
Creation of a gamma download pattern file can be facilitated using the following utilities for editing the gamma correction pattern:
Coding configuration:
(X0 output value),(X1 output value),(X2 output value),........
(X253 output value),(X254 output value),(X255 output value)
Meaning of each element:
(Xx output value) indicates the output value, in the range of 0 (bright) to 255 (dark), for an input value x.
NoteUse a delimiter other than a number to delimit elements. For most cases, use a comma (,).
74