Mode-Dependent Function Limitations - Canon DR-2020OU User Manual

Mode-Dependent Function Limitations

Depending on the [Mode] setting selected in the [Basic] tab, some of the settings in each of the driver tabs may be disabled as follows.
[Brightness] tab
✓ : Available for setting
— : Not available for setting
Scanning Mode
Black and White
Error Diffusion
Advanced Text Enhancement
Advanced Text Enhancement II
256-level Gray
24-bit Color
[Image processing] tab
✓ : Available for setting
— : Not available for setting
Scanning Mode
Black and White
Error Diffusion
Advanced Text Enhancement
Advanced Text Enhancement II
256-level Gray
24-bit Color
Contrast
✓
✓
—
✓
✓
✓
Edge Emphasis Color Smoothing
✓
✓
✓
—
✓
✓
57
Enable Back Side Brightness
✓
✓
—
—
✓
✓
Reverse Image
(TWAIN driver only)
✓
—
✓
—
✓
—
✓
—
— —
✓
—
Enable Back Side Contrast
✓
✓
—
—
✓
✓
Color Drop-Out
✓
✓
✓
✓
✓
—