Canon PowerShot G3 X Digital Photo Professional Ver.4.2 for Windows Instructio - Page 54

Using the Auto Lighting Optimizer If the shooting result is dark or the contrast is low, you can use the Auto Lighting Optimizer function to auto-correct the brightness and contrast, and obtain a more favorable image. You can also change the setting of the image shot with the camera's Auto Lighting Optimizer function. This function also can be used for JPEG/TIFF images in addition to RAW images. * ALO stands for Auto Lighting Optimizer. 1 Checkmark the [Auto Lighting Optimizer] checkbox. Checkmark  For the image shot with the camera's Auto Lighting Optimizer function, the checkbox is already checked. 2 Change the setting according to your preferences. Select from three levels: Low/Standard/ Strong  Auto correction is applied to the image to match the setting.  For the image shot with the camera's Auto Lighting Optimizer function, the setting at the time of shooting is applied as the default value.  To cancel the Auto Lighting Optimizer, remove the check mark from the checkbox. Introduction Contents  When [Highlight tone priority] is set to [Enable] on any supported camera other than the EOS-1D Mark IV or EOS 5D Mark II, the Auto Lighting Optimizer cannot be used for RAW images.  You cannot use the Auto Lighting Optimizer with multipleexposure RAW images created with the camera.  When you apply Auto Lighting Optimizer to the RAW and JPEG images shot simultaneously, the correction results of the two images may differ. 1 Downloading Images 2Viewing Images 3Sorting Images 4Editing Images 5Printing Images 6 Processing Large Numbers of RAW Images 7Remote Shooting 8 Specifying Preferences Reference/ Index 53