Opacity slider effect in the Layers tool

The Layers tool features a master Opacity slider which enables you to lower or fade the amount of one or more local adjustments already applied to the mask, without altering the adjustment tools individually. The master Opacity slider is located beneath the title bar in the Layers tool. Selecting a layer enables the Opacity slider to be used with that Layer only. One Layer can be adjusted at a time. All the masks applied to the Layer will be adjusted by the same value. When working on an image with a number of Layers comprising complex masks and adjustments, you can modify the effect of each Layer very quickly. Next to the slider, there is a box where you can enter a value (%) directly or by using the arrow keys (use Shift+arrow keys to modify the amount by larger values). To save a result and compare the effects between adjustments, remember to use the Clone Variant option.

1. Go to the Layers tool.
   
   
2. Select the layer in the list with the adjustment you want to fade. The mask should already have some local adjustments applied to it. The master Opacity slider is then enabled.
   
   
3. Drag the master Opacity slider while observing the effect on the image in the Viewer. Alternatively, select the textbox and enter a value directly or use the arrow keys (or Shift+arrow keys) to adjust by fixed values. The image will be similarly updated with the effect in the Viewer.
   
   
4. When the slider is moved, the mask will be hidden (regardless of the visibility setting selected) so that you can see the effect of the applied local adjustment to the image. The mask reappears after a short delay.

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