Invacare MA85 Owners Manual - Page 22

microAIR® MA80 Series and MA85 (with Alternating Pressure) Series 5.1.4 Adjusting the Minimum Pressure Setting (A/P Low) The minimum pressure setting during Alternating Pressure is set to 0 (2 mmHg) at the factory. This means that the mattress will deflate as much as possible during the deflation time when using 10, 15 or 20 minute Alternating Pressure times. The setting can be changed so the mattress will only deflate to 50% of the selected pressure setting. 1. Ensure the Standby LED is lit. 2. Press and hold the Alternating Pressure C and Fowler F buttons. 3. Read the LCD Display. The LCD Display will show: • 0 if the current setting is 0 (2 mmHg). • 5 if the current setting is 50% of the selected pressure. The On and Standby LEDs will be lit. 4. Press the Soft D or Firm E buttons to toggle between the two settings. 5. Press the Power button A to save the setting. The control unit will exit this adjustment mode if no button is pressed for 30 seconds. 5.1.5 Static Button 1. Press the Static button G to enter Static mode and maintain all air cushions in the mattress at a constant pressure. The Static LED is illuminated Green. 22 5.1.6 Firm/Soft Buttons 1. Select comfort pressure settings by pressing Firm D or Soft E button. • Soft Button - Pressing this button reduces the pressure setting in the mattress. • Firm Button - Pressing this button increase the pressure setting in the mattress. The patient comfort pressure ranges from Soft (level 0 = 8 ±4 mmHg) to Firm (level 9 = 32 ±4 mmHg). The Comfort Control LED displays the patient comfort pressure levels from 0 to 9 and provides a guide to the caregiver to set approximate comfort pressure level depending on the patient weight. If the patient's weight to height ratio is above average, increase the pressure setting by approximately 20%. 1148138-I