Invacare MicroAir MA90Z User Manual page 20

4 OPERATION
Power Button
1. To turn the control unit on or off, press and release the Power button (
 Once the unit is plugged in, an AMBER LED on the control unit is lit indicating that the system is in STAND BY mode. Once
the Power button is pressed and released, a GREEN LED illuminates indicating that the control unit is on.
If the power comes on after a power outage, the control unit will go through its system initialization routine for a few
seconds and then resume the desired function.
Turn Button (MA90Z Power Unit)
1. Press the Turn button (
The rotation modes are right, left or both and all three modes include alternating pressure therapy.

When No Turn is selected, all of the air cushions are maintained at a constant pressure.
Turn Time Button (MA90Z Power Unit)
1. Press the Turn Time button (

The rotation times are 10, 20, 30 and 60 minutes.
Turn Angle Button (MA90Z Power Unit)
1. Press the Turn Angle button (

The rotation angles are
®
Invacare MA90Z Series Mattresses
) to select one of three rotation modes or to set the unit to No Turn (Static) mode.
) to select one of four rotation times.
) to select one of four rotation angles.
1 1 3
/ , / , / and full rotation (45°).
4 2 4
).
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Part No 1148139