Acer Film Scanner user manual Curve button, Color Channel box, Tonal Map

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English

Curve button

The Curve tool is used to adjust the brightness properties of midtone pixels in an image. The following dialogue box will appear after you click this button:

Below is an introduction to each component in the dialog box and how to use the Curve tool to adjust an image:

Color Channel box

Use this box to select the color channel to be adjusted. This allows you to adjust the curve property of each color channel respectively.

To three color channel simultaneously, choose Master channel.

Tonal Map

The x-axis in the Tonal Map represents the input brightness level of the pixels in an image, and the y-axis represents the output brightness level of the image. By clicking and dragging the curve to change its shape, you can adjust the difference between input and output brightness level of an image without making too much modification to the dark and bright areas. If we compare the following images and their Tonal Maps:

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Contents Film Scanner Page English Important Safety Instructions English FCC Information Table of Contents Working with Album MiraPhoto Quick Reference Map Memo Introduction FeaturesHardware Introduction Friendly and Smart DriverPower button LED indicatorsHolder insertion slot Eject buttonScsi in connector Power cord receptacleVentilation holes Scsi ID selector300mm 200mm Scsi OUT connectorSoftware Introduction Connect the scanner to your computer InstallationInstall the Scsi interface card Test the scanner Install Scanner Driver SoftwareInstall scanner driver and other applications If you want to scan a filmstrip Making Your First ScanPlace original on the holder Insert the filmstrip holder into the holder insertion slot If you want to scan slides Scan Edit To use Scan buttonTo preview manually Memo Using MiraPhoto Menu Bar Scan Size… Monitor Gamma Film Type ContentsAuto Preview Scanner Info…Combo Boxes Image Thumbnail AreaEnglish Resolution box Film Selection Area Control Buttons Flip button Tool ButtonsFilm Type button Crop button Rotate buttonMirror button Invert button Color Enhancement Tools buttonContrast control Brightness/Contrast buttonBrightness control Channel Adjustment AreaColor Balance button Lightness Bar Color Adjustment buttonEntry Box Tonal Map Curve buttonColor Channel box Input/Output Status Area Histogram Level buttonAddition, if we take a look at the two images below Shadow Midtone Highlight Threshold Output Level box Input Level boxFilter button Apply all button Switch buttonColor Wizard button Info button Preview AreaMemo Introduction Photo ExpressTool Bar Workspace Getting StartedEnglish Getting Images To create a new AlbumPrinting album thumbnails To add new images to an albumWorking on Images To re-align a photoUser defined option To trim your photoTo re-size your photo Printing Images To print an imageTo save a photo Create Calendars To create calendarsMorphing Photos To morph an imageWorking in Project Mode To move one object over another To replace images in a templateTo add frame to a photo object To add special edge effects to a photo objectAdding Decoration ApplyPrinting Templates To print a template as name cardsTo fax a template To e-mail a templateTo output a template as a Web Sharing TemplatesTroubleshooting Troubleshooting and FAQFAQ Re-packing Directions Service InformationAppendix Product Specification