Brightness/Contrast Adjustment

This section describes the procedure for adjusting the brightness and contrast for scanning.

1Click the [Brightness] tab in the Properties for Canon DR-3010C dialog box adjust the [Brightness] slider and [Contrast] slider to adjust the brightness and contrast for scanning click [OK].

The availability of brightness and contrast settings are as follows, according to the setting selected from the Mode drop-down list in the Basic tab.

Scanning mode

Brightness

Contrast

Back Side

Back Side

Brightness

Contrast

 

 

 

 

 

 

 

 

Black and White

{

{

{

{

 

 

 

 

 

Error Diffusion

{

{

{

{

 

 

 

 

 

Advanced Text Enhance-

{

ment

 

 

 

 

Advanced Text Enhance-

{

{

ment II

 

 

 

 

256-level Gray

{

{

{

{

 

 

 

 

 

24-bit Color

{

{

{

{

 

 

 

 

 

Auto Color Detection

{

{

{

{

 

 

 

 

 

{: Available for setting

 

 

 

 

: Not available for setting, or automatically set

7

NOTE

The settings you can specify are as follows:

-[Brightness]

Adjusts the brightness of images to be scanned.

y If images are too dark or if text on the back bleeds through, drag the slider to the right to increase the brightness.

y If images are too light, drag the slider to the left to decrease the brightness.

-[Contrast]

Adjusts the contrast of images to be scanned.

-[Used the Back Side Brightness] Check Box

If the brightness of the front and back pages of the document are different, select this check box to adjust only the brightness on the back side.

-[Used the Back Side Contrast] Check Box

If the contrast of the front and back pages of the document are different, select this check box to adjust only the contrast on the back side.

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DR-3010C

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Image 47
Canon DR-3010C user manual Brightness/Contrast Adjustment, Adjusts the contrast of images to be scanned