Kenwood TK-2160, Instruction Manual, Page: 28 / 218

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DTMF SIGNALLING
DTMF Signalling is either enabled or disabled by your dealer.
This function opens the squelch only when the transceiver
receives the DTMF code (3 to 10 digits) programmed in your
transceiver. Each transceiver is normally programmed with a
unique code. You will not hear calls from transceivers that are
not programmed with a matching code.
Your dealer may also program a Group Code in your
transceiver. Ask your dealer for further details.
When you receive a signal containing the correct tones,
squelch opens and you will hear the call.
• The LED indicator flashes orange.
• To mute the speaker after squelch opens, press the key
programmed as
Monitor Momentary or Monitor Toggle .
• Your dealer can program the squelch to close again after a
specific time period elapses.
• If Transpond for DTMF Signalling is programmed, an
acknowledgment signal is returned to the calling station.
• If Tone Alert for DTMF Signalling is programmed, an alert tone will
sound when the correct tones are received.