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[MENU+6] DTMF Function
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 16 separate codes. These codes represent digits 0-9,
plus *, #, A, B, C, and D. The transceiver can generate
and decode DTMF sequences in order to control other
equipment, remotely control or inhibit other
transceivers, or page individual radio users or groups
of users. Each channel can be individually
programmed for DTMF signaling to be enabled or
disabled. Note that if DTMF is disabled on a channel,
it can neither be transmitted nor decoded.
Enable Or Disable DTMF Signaling
1, In VFO / MR mode, select a frequency or memory
channel to modify DTMF signaling. Alternatively,
you can enable DTMF signaling in the programming
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