Weinmann MEDUMAT Easy CPR Instructions For Use Manual page 45

2. Using the union nut (2) or quick-release coupling, connect the
compressed gas hose (1) to the pressure reducer (3) or central
gas supply by hand. To this end, screw the union nut (2)
clockwise.
3. Connect the other end of the compressed gas tube to the
device using the union nut. To do this, screw the union nut
onto the device's compressed gas connection in a clockwise
direction.
Result The oxygen supply is connected.
3
2
1
MEDUMAT Easy
4 Preparation
CPR
EN 45