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19.4 Foot Surface Extension
Fig. 38 Selector Valve for Foot Extension
It is possible to manually inflate and deflate either of the 2 sets of air cells nearest the foot board as required to
match the length the mattress platform has been set to. Furthermore, it is possible to manually deflate one of the
air cells to create a lower section for the patient’s heels which helps with the prevention and treatment of pressure
sores.
The selector valve for the foot extension is located on the left-hand side of the foot end, inside the mattress
cover to protect it from dirt and fluids.
To extend the foot surface:
Open zipped flap on left-hand side of foot end.
Hold valve with thumb and forefinger of one hand and use thumb to push in white locking pin.
Rotate valve to desired position.
Release white pin so that it latches with an audible click.
If pin does not latch, move valve a little to the left or right until there is an audible click.
Close zipped flap.
Valve positions
The valve positions are labelled on the valve to show which setting has been selected.
Fig. 39 Valve Positions
cell completely inflated
cell completely deflated
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