For the ROHO Cushion to be effective, it must be properly adjusted. The goal is to allow yourself to sink as deeply as possible into the cushion without hitting the bottom of it. This is achieved by having as Little air in the cushion as possible. Proper adjustment can only be done while you are sitting on the cushion.
Step 1: Turn cushion valve counter-clockwise to open
Step 2: Inflate cushion by mouth (or pump if provided) until the cushion is filled with air.
Step 3: Turn valve clockwise to close.
Step 4: Place cushion on your seat. with the air cells facing upward. Sit on the seat in your normal sitting position.
Step 5: IMPORTANT! Slowly turn valve counter-clockwise to release the air. You will begin to sink into the cushion. Let out most of the air, leaving only about 1/2 inch or less of air between you and the bottom of the cushion. You should not let out all of the air, but you will need very little air in the cushion for it to work properly.
Step 6: Turn valve clockwise to close.
Note: You can check that you have not let all the air out of the cushion by slowly leaning your body from side to side. You should be able to feel the air transferring beneath you slightly. If too much air is transferring beneath you, let more air out of the cushion.