HP N31.5 - Manual (Page 33)

33
Optimum IR
reception window
30 feet or less
30˚ 30˚
If the requirements of your installation preclude a clean line of sight between the
Nº31.5 and your listening position, you may want to consider using an infrared
repeater to route the remote control’s commands to the Nº31.5. Please ask your
dealer for more information on third-party IR repeaters.