Viewing layers With the Layers palette, you can control whether a layer is visible, whether a preview or thumbnail of its contents is displayed, and also how transparency is displayed. Turning off thumbnails or reducing their size can save space in the Layers palette, and reduce memory usage. To show or hide a layer: Do one of the following: Note: Only visible layers are printed. ![]() Lion layer, and background hidden To change the display of layer thumbnails: 1 Choose Palette Options from the Layers palette menu. 2 Select a size or select None to turn off the thumbnails, and then click OK. To change the transparency display: 1 Choose Edit > Preferences > Transparency. 2 For Grid Size, choose a pattern size. By default, the transparent areas of a document appear as a checkerboard pattern. If you choose None, transparent areas in the layer appear white. 3 For Grid Colors, choose an option: 4 Click OK. Using Layers > Using the Layers palette > Viewing layers |