If you haven’t already, turn on the Manuals app from the Apps panel. Instructions can be found here. Then, click the “Manuals" app button on the OneLaunch dock.
To find product manuals, simply enter keywords into the search box relating to the product for which you're looking for a manual and press "Enter" on your keyboard. To browse product manuals by category, click on the ManualsLib button below the search box.