Explanation:
This command specifies the gamma correction setting for the output device.
The gamma correction refers to the gamma correction table stored in the scanner’s internal memory, and adjusts the conversion ratio between the input intensity of the original image and the output image data values.
The various predefined mode settings have the following characteristics.
CRT Display A (for
This setting is suitable for CRT display types that are incapable of displaying different tones of gray or colors. For example, this setting is suitable for displays that can produce only 8 or 16 colors.
CRT Display B (for multilevel data)
This setting is suitable for high performance CRT displays that can display different tones of gray or colors. For example, this mode is suitable for displays that can show more than 16 colors.