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SECTION 2—OPERATION
Part No 1148138 15 MA80 Series
Pulse Button (MA80)
1. Press the Pulse button ( ) to Turn on Pulse mode and select one of four Pulse Times
- 1, 3, 5 or 10 minutes.
NOTE: The pulse times are 1, 3, 5 or 10 minutes. The pulse times indicate the time between each
low pulse. For example, if 5 minutes is selected, all the air cushions in the mattress will inflate for
5 minutes (the selected time) to the selected comfort setting and then drop 20% pressure for 20
seconds.
Alternating Pressure Button (MA85)
1. Press the Alternating Pressure button ( ) to select one of four alternating pressure
modes.
NOTE: The alternating pressure times indicate the frequency of deflation or inflation of half of the
air cushions (even or odd numbered). For example, 10 minutes is selected. In this example, the even
numbered air cushions in the mattress will deflate, while the odd numbered cushions remain at
constant pressure. When 10 minutes has elapsed, the even numbered air cushions will inflate while
the odd numbered cushions remain at constant pressure. When 10 minutes has elapsed again, the
odd numbered air cushions deflate while the even numbered cushions remain at constant pressure.
The air cushions continue to inflate or deflate like this as long as an alternating pressure time has
been selected. At all times, half of the air cushions remain at a constant pressure when an
alternating pressure time has been selected.
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 ( ) and Fowler ( ) 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.
NOTE: The On and Standby LEDs will be lit.
4. Press the Soft ( ) or Firm ( ) buttons to toggle between the two settings.
5. Press the Power button to save the setting.
NOTE: The control unit will exit this adjustment mode if no button is pressed for 30 seconds.