Ergomotion Ergo Box Owner's Manual page 18

Storage Bed Assembly
STEP 15
Install mattress retainer bars by inserting both ends of the retainer bar
into the holes on the platform, and then lock the plastic snaps from under
the bedplate to secure the mattress retainer bar.
STEP 16
Plug the power cord into a power source. A surge protector is
recommended.
STEP 17
To pair remote control see details on page 19.
Quickly test remote functions to verify proper setup before placing
mattress on base. Return the base to a flat position before placing the
mattress on top.
16