This flag sets the edge emphasis mode in Canon scanner model CR-180.
Use BrightnessAuto if you want to activate this scanner's text enhance scanning mode.
Please refer to your scanner manual for more information about your scanner's functionality.
Warning: Canon CR-180 will not work if this flag is turned off or missing.
0 (disabled – default)
1 to 5 (enabled: 1 = soft and 5 = sharp)