Channel- Analog Channel -Rx Sub-audio

Rx Sub-audio

    The radio receives a sequence of audio tones ranging from 67.0 to 255.0 Hz for reducing the annoyance of listening to other users on a shared radio channel. The receiving radio opens audio only in the presence of normal RF signal and detecting the correct sub-audio tone.

Range:

    67.0~255.0 Hz

Step:

     0.1 Hz

Note:

    -This feature is supported in Analog mode only.

    -This feature is applicable when setting Rx Squelch Type to CTCSS/DCS