Canon EOS 20D EOS DIGITAL Software Instruction Manual (EOS Viewer Utility 1.2. - Page 156

Editing RAW Images 3 Adjust the tone curve. O Click the tone curve to show [Q] and drag it to a desired location. Horizontal axis: Input level Vertical axis: Output level O To delete [Q], select [Q] and then press the key on the keyboard. O Up to four of [Q] can be shown. O With the EOS-1Ds and EOS-1D, up to four points can be shown. You cannot add or delete points. O Alternatively, you can adjust the tone curve by selecting [Q] on the tone curve and entering values directly into the [Input] / [Output] box. 4 Click the [Update] button on the RAW adjustment tool palette. ¿ The adjusted tone curve is applied to the image. O While checking the adjusted tone curve, repeat steps 2 to 4 to make further adjustments. 5 Click the [Apply] button. ¿ The [Tone Curve] dialog box closes. M-38