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View Modes can be added to any Entity. For our example, we're going to add a new View Mode to an Image type File Entity.

Click on an image to make it bigger.
Display Suite - Set Up View Mode - File Type Navigation

1. Go to Image File Type

Go to Admin > Structure > File Types > Image > Manage Display.

Display Suite - Set Up View Mode - Add Custom Display

2. Add Custom Display

Within the Image file type's Manage Display screen, click on the Custom Display Settings tab.

Locate the name of the new view mode - in this case, 800 Wide - and check it.

Click the Save button.

Display Suite - Set Up View Mode - New View Mode Tab

3. New View Mode Tab

A confirmation and new View Mode tab appear.

Display Suite - Set Up View Mode - Manage File Display

4. Go to Manage File Display

Click on the Manage File Display tab.

Click on the new 800 Wide tab.

Many confusing options will be presented to you.

Display Suite - Set Up View Mode - Select Image Style

5. Set Image Style

Check the Image checkbox.

This will cause an Image vertical tab to appear at the bottom of the screen.

Image Style select box = 800 Wide Scale.

Click the Save Configuration button.

Display Suite - Set Up View Mode - New View Mode in Media Display Options

6. View Mode in Media Browser

View Modes are used in the Display As settings in the Media Browser.

 

Display Suite - Set Up View Mode - New View Mode in Action in Media

7. View Mode Applied in Media Browser

When the new 800 Wide View Mode is toggled, the image in the Media Browser is immediately affected by it.

Display Suite - Set Up View Mode - New View Mode in View Settings

8. View Mode Example in Views Settings

View Modes are used extensively in Views for many different types of displays.

Display Suite - Set Up View Mode - New View Mode in Field Image Styles

9. View Mode Example in Field Settings

View Modes are also used extensively in Field settings.