Product Manual

4 OPERATION
Part No 1171739 19 Invacare
®
APM
™
Model CG9900 Mattress
Static
1. To set static mode, press the “Mode” key until the “Static” LED is lit. In static mode, all the air cushions in the mattress will be maintained at
constant pressure.
Alternating Pressure
1. To set alternating pressure (A/P) mode, press the "Mode" key until the "A/P" alternating pressure LED is lit.
2. In the A/P mode, 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 the alternating pressure mode is selected.
Adjusting the Minimum Pressure Setting (A/P Low)
The minimum pressure setting during alternating pressure is set to 0 (3mm Hg) at the factory. This means the mattress will deflate as much as possible
during the deflation time when using the "A/P" mode. 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. Perform the following:
• Press and hold the "Firm" and "Mode" keys while in standby.
3. Read the LCD display. The LCD display will flash:
• UNIT WILL DISPLAY "0" FOR LOW A/P SET TO 0 (3 mmHg)
•  UNIT WILL DISPLAY "5" FOR LOW A/P SET TO 50% OF HIgh
4. Perform one of the following to toggle between the two settings
•  PRESS MODE KEY TO TOGGLE LOW SIDE A/P PRESSURE
•  PRESS ON/STANDBY KEY TO END ROUTINE