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When the dial is turned towards Soft, the output pressure will be decreased to provide a lower
pressure output and thus increased comfort.
To check if the pressure is adequately supporting the patient, slide one hand between the cushion
replacement and chair cushion to feel under the patient's bottom. You should be able to slide the
hand in-between and an acceptable range is approximately 25 to 40 mm (1" to 1-1/2") to ensure the
patient is not bottoming out.
8.2
Function mode switch
8.2.1 Alternating
Alternating mode is the default mode for the system. Within this mode the cushion
replacement will operate in an alternating 1-in-2 cell cycle. The alternating cycle will
continue until another mode is selected.
8.2.2 Static
Pressing the Mode button until the Static indicator illuminates puts the system into
Static mode.
Within this mode the cushion replacement will maintain a selected constant pressure.
The power unit MUST be manually switched back to alternating mode.
9. Transport Mode
Issue 9– 17122020
If the patient is being moved on the cushion replacement, or there is
a power cut, general pressure can be maintained in the system for
an adequate period of time whilst disconnected from the mains.
Simply disconnect air pipe connector and place the connector cover
over it. The air pressures in the cushion replacement will now
equalise, but maintain a degree of comfort. This will maintain the
cells in their present state for approximately 48 hours.
It is important to restore the Viola II dynamic cushion replacement
as quickly as possible by reconnecting the supply tubes to the
power unit.
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