Can I reprogram the preset position for Semi Fowler, Zero G and My Zone buttons?
Yes, You can reprogram the preset position buttons to a more comfortable setting. Here are the instructions how;

i. Press and hold buttons Head up/down and Foot up/down to get yourself in more comfortable position

ii. Once you are comfortable with the desired position, Press and hold the button you’d like to program the button to set the position to and FLAT simultaneously, the timing is critical.

iii. You will hear an audible beep indicating a successful execution.