Channel-Analog Channel -Tx Sub-audio

# Tx Sub-audio

The radio transmits a sequence of audio tones ranging from 67.0 to 255.0Hz 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.

-The RX Only feature must be disabled

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