=  NOW 10 WPM  =  TEXT IS FROM MAY 2021 QST  PAGE 49  =

HEADPHONES ARE PLUGGED IN.  THE NES 10 2 MK4 IS SPECIFIED TO REDUCE NOISE
BY 8 TO 40 DB, AND TONES BY UP TO 65 DB.  THERE IS NO PROVISION TO PERFORM
THE FUNCTIONS SEPARATELY.  AN LED AT THE UPPER RIGHT BEHIND THE SPEAKER
GRILLE GLOWS RED WITH POWER APPLIED, AND GREEN WHEN DSP IS ACTIVE.  AN LED
ON THE LEFT SIDE FLASHES RED IF THE AUDIO INPUT IS TOO HIGH.  USING THE DSP
=  END OF 10 WPM TEXT  =  QST DE W1AW  <