When you have finished with adjustments, click the OK button to confirm your settings and close the dialog box. If you are not satisfied with the adjustments, you can click the Reset button and the settings will return to the default. Alternatively, you can click the Cancel button to cancel and close the dialog box.
Brightness/Contrast button
Click the Brightness/Contrast button and the Brightness/Contrast dialog box will appear:
You can adjust the overall brightness and contrast of the image manually or automatically in this dialog box. To adjust the brightness and contrast more precisely, you can use the Curve and Level function.
Brightness control
You can drag the triangle below the bar to increase/decrease the overall brightness of the image, or click Auto button to adjust the brightness automatically.
Contrast control
You can drag the triangle below the bar to increase/decrease the overall contrast of the image, or click Auto button to adjust the contrast automatically.
When you have finished with adjustments, click the OK button to confirm your settings and close the dialog box. If you are not satisfied with the adjustments, you can click the Reset button and the settings will return to the default. Alternatively, you can click the Cancel button to cancel and close the dialog box.