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Set Menu 03 ON to enable this function, or OFF to
disable it. The default setting is ON.
Busy Channel Lock (BC Lock): Menu 04
When a Channel has the “BC LOCK” function enabled,
the ability to transmit is disabled on that channel if it is
active. You will again be able to transmit on the channel
when the channel is quiet. This option can be set to “ON”
or “OFF”. The default setting is OFF.
Key Beep (Beep): Menu 05
This function determines whether pressing keys on the
transceiver sound an audible confirmation beep when
they are pressed. It can be set to “ON” or “OFF”. This
feature is turned on by default.
DTMF Function (DTMF): Menu 06
DTMF (Dual Tone Multi Frequency), dual tone
multi-frequency, consists of high-frequency group and
low frequency group, each group contains four
frequencies. A high frequency signal and a low frequency
signal superimposed to form a combined signal which
representing a number. DTMF signaling has 16 codes,
can be set freely. When a radio channel setting of the
DTMF enabled, you can send DTMF codes by wireless
control to achieve individual call, group call or RX
Inhibition, RXTX Inhibition and other functions.
Dual-Tone Multi-Frequency (DTMF) is a signaling
method in which two tones are combined to create one of