Proofing màu sắc trên màn hình Trong bước tiếp theo trong quản lý màu sắc, bạn sẽ tạo ra một bằng chứng tùy chỉnh thiết lập cho máy in phun cụ thể của bạn và giấy, và sử dụng nó để xem một bằng chứng mềm, hoặc trên màn hình mô phỏng, sản lượng in của bạn. Mặc dù các bằng chứng mềm sẽ không được hoàn toàn chính xác, nó sẽ cho bạn một ý tưởng thô của thế nào màu sắc của bạn sẽ xem xét (không có chi phí cho bạn một penny) | 404 Chapter 25 Proofing colors onscreen In this next step in color management you ll create a custom proof setting for your specific inkjet printer and paper and use it to view a soft proof or onscreen simulation of your print output. Although the soft proof won t be perfectly accurate it will give you a rough idea of how your colors will look without costing you a penny . To proof a document as an inkjet print onscreen 1. From the View Proof Setup submenu choose Custom. The Customize Proof Condition dialog opens. In the next steps you will choose custom proofing settings for your output device. A 2. Check Preview then from the Device to Simulate menu choose the correct color profile for your inkjet printer and paper the profile you either downloaded from a manufacturer s website or installed with your printer driver file . 3. Uncheck Preserve RGB Numbers if available. Photoshop will simulate how the colors will look when converted to the output profile. This option is available only if the color mode of the output profile that you chose from the Device to Simulate menu matches that of the current file . if your image is in RGB Color mode and you chose an RGB device as the Device to Simulate . 4. Choose a Rendering Intent to control how colors will change as the image is shifted from one profile to another see the sidebar on the next page . We recommend choosing either Perceptual or Relative Colorimetric. You can evaluate a couple of options via the preview and by making some test prints. Check Black Point Compensation to allow adjustments to be made for differences in black points among different color spaces. With this option chosen the full dynamic range of the image color space is mapped to the full dynamic range of the color space for the output device the printer . With this option off black areas in the image may display or print as grays. We recommend checking this option for inkjet printing. 5. Optional For Display Options On-Screen check Simulate Paper
