NOAA and NOAA Scan does not open squelch (w/o 1050 Hz Tone)

[RE3CON]

Function NOAA Channels no matter if 10 PMR frequencies instead of NOAA Freq. replaced, NOAA_S is on or off it does not stop or listen in on active Channel. It keeps scanning without audit / audio. A 1050 Hz Tone is required to open the Squelch. The 1050 Hz tone will also demute the receiver, activate a flashing LED and cause the audio on hearing.