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Channel readout: shows the current channel.
CTCSS tone code number: shows the current CTCSS.
Icon appears and blinks as the receiving signal gets weaker.
The Icon disappears when the receiving signal comes back
to normal status.
Dual watch mode indicator: indicates that dual watch mode
is active.
Voice operated switching (VOX) indicator: This function
allows handsfree conversation. The Icon appears when
the VOX mode is activated.
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