Change Rotating Header Image on Page Load

To eliminate autorotation to the rotating header image, follow these steps. This way, your site will display a variety of images while meeting accessibility criteria.

Enable the Ajax Blocks module
Click on the Rotating Header view gear and select Configure Block

Click on AJAX settings (bottom left of page)
Change Load block via AJAX from no to yes. All other edits stay the same. Save changes

Select Edit view

Change PAGER to display 1 item
Go to FIELDS > Content: Header Image - settings should look like this:

Go to SORT CRITERIA and Change setting to Global: Random (asc)

Click on the Add button closest to the right of it.
Type Global in the search field, click on the Global: Random option and Apply selection.

To remove other sort criteria click on the carot next with the Add button and select Rearrange.

Remove previous criteria.