Providing the Rife or Zapper Digital Professional V3 new machine initialization stage has been completed (Voltage/Language)
Then a blind person would only have to press the POWER button which can easily be detected by fingers top right corner
Then down to middle of the machine, press <ENTER> by finding the 3rd button across
This puts the machine in super-sweep mode and sweeps all frequencies continuously.
It would be the simplest and easiest method for using the machine
