WHAT DOES HEAD MOUNTED NIGHT VISION MONOCULAR MEAN?

How am i able to concentration even though using the Prowl? The Prowl has 2 aim controls, a diopter plus a wheel on the entrance on the machine. Use the main target wheel for the entrance to convey the display screen into focus and use the diopter to help your eye see it as Obviously as is possible. You might also want to utilize the diopter so tha