AWA LMD5909B Operating Instructions Manual page 7

Note: Unplug the apparatus when not using for a long time or
intent to disconnect from the Mains power.
3. Installation In Vehicle
1) Take out carry bag and unit. Open them for installation.
2) Place unit into the bag across the waist flex and make sure
four corners of unit are tightened by narrow flexes.
3) Place the bag with unit into back of car seat and fasten it into
the headrest with length adjustable waist strap.
4) Handle the carrying wide strap on the top portion of bag not to
turn back screen.
4