Chú ý rằng những đám mây nhẹ hơn bởi vì các điểm ảnh trên lớp minh bạch hơn. Bấm 7 trên bàn phím. Đây là một phím tắt thay đổi độ mờ đục của lớp này đến 70%. các những đám mây đang có một chút mờ hơn. Ba lựa chọn khóa có sẵn cho mỗi lớp: địa phương minh bạch, hình ảnh Lock, và Lock | 60 chapter 2 working with color WARNING The following procedure uses the Adobe Gamma control panel and is for Windows users. The procedure on the Mac OS is essentially the same although the actual steps are different. Refer to the Mac system help for more information on using the Monitor Calibrator utility. 2. When you install Photoshop on your computer the installation program also adds Adobe Gamma to Control Panel. Double-click Adobe Gamma to open a dialog box that asks if you want to use the Step by Step Wizard version of the Control Panel version. 3. Choose Control Panel and click Next to open the Adobe Gamma dialog box NOTE The intent of the ICC profile format .icc and .icm is to provide a cross-platform device profile format for more reliable color. Unfortunately manufacturer profiles do not account for variations that occur among the same models or changes that occur from age. See the Professional Color section later in this chapter to learn how to profile individual devices and media using measurement hardware. 4. Click the Load button to open the Open Monitor Profile dialog box see Figure in which you can browse to the profile you need. I m using a Mitsubishi Diamond Pro monitor so I select the Diamond Compatible 9300K profile select the profile that matches your hardware and click the Open button. 5. Change the brightness and contrast using the controls on your monitor until the color bars in the Brightness and Contrast section shown in the Adobe Gamma dialog box in step 3 appear as black and white to your eyes. 6. The Phosphors and White Point Hardware pop-ups see Figure contain various standard values that the product literature that comes with your hardware may advise you to select. My ICC profile automatically set these so Custom was automatically selected for both. calibration and profiles 61 Figure Browse to your monitor s profile. FIGURE Set the Phosphors and White Point Hardware values according to the manufacturer s directions. 7.
