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#### Adjusting the Window/Level values interactively

Using the mouse, you can adjust the Window/Level values, regardless of whether the Window/Level panel is displayed.

When the Window/Level panel is displayed

To adjust the Window/Level values from the Window/Level panel:

| 1. | Click the W/L icon on the main toolbar.

The Window/Level panel is displayed.

| 2. | Specify the Window/Level scope. See Specifying the Window/Level scope.

| 3. | Hold the left mouse button, and drag the mouse on the image in the appropriate direction.

To... | Do this...
--- | ---
Adjust the Window |
| • | Drag the mouse left and right.
Adjust the Level |
| • | Drag the mouse up and down.

-or-

Click and drag the scroll bars on the panel.

To... | Do this...
--- | ---
Adjust the Window |
| • | Drag the horizontal scroll bar.
Adjust the Level |
| • | Drag the vertical scroll bar.

| 4. | Release the left mouse button.

The Window/Level values are applied, and the values in the W and L boxes are updated.

When the Window/Level panel is not displayed

To adjust the Window/Level values, when the Window/Level panel is not displayed:

| 1. | Hold the right mouse button, and right-drag the mouse on the image in the appropriate direction.

To... | Do this...
--- | ---
Adjust the Window |
| • | Right-drag the mouse left and right.
Adjust the Level |
| • | Right-drag the mouse up and down.

| 2. | Release the right mouse button.

The Window/Level values are applied within the Window/Level scope of your choice. You can also select another scope. See Specifying the Window/Level scope.

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