button.Sometimes you may want to compare two assets in order to see differences and find potential for improvements. For this purpose, you can open the compare view for the assets.
The compare view opens over the whole screen and consists of two separate
preview areas
and toolbars side by side. The toolbar functions are the same as in
the normal preview or full screen preview. You can even open the full
screen preview for each asset
with the button.
Compare assetsLock the compare
view Close the compare
view
button
in order to 
button again to unlock the toolbars again.