When you click on the EMC icon in Chrome Toolbar, you will get a popup menu appearing with different options.

This is a typical popup menu that you will see.   Clicking on the Tick icon at the top right will deactivate EMC.

emc_lifetime_popup_menu

 

When EMC is deactivated, the popup menu will change to this display instead.  To reactivate, click on the Cross icon.

emc_disabled_popup_menu