Dtmf (Dual Tone Multi Frequency) Calls; Making A Dtmf Call; Dtmf Signalling; Stun - Kenwood TK-780 Instruction Manual

DTMF (DUAL TONE MULTI FREQUENCY) CALLS

MAKING A DTMF CALL

To make a DTMF call, you must have an optional microphone with a DTMF keypad. Ask your
Note:
dealer for more information.
There are two methods of making DTMF calls:
Manual dialing:
1 Press and hold the PTT switch.
2 Enter the desired digits using the microphone keypad.
• The corresponding DTMF tones sound each time you press a key.
• If you release the PTT switch, transmit mode will end, even if the complete number
has not been sent.
Store and sending:
1 Enter the desired digits using the microphone keypad.
• The digits appear on the display as you enter them.
2 After entering the complete number, press the
• The DTMF code is transmitted after pressing the
Note:
◆
You can only store up to 16 digits before sending. Entering more than 16 digits will cause an error
tone to sound.
◆
If you switch the power OFF before sending the number, the number will be cleared from memory.

DTMF SIGNALLING

Your dealer can program a group with a DTMF signalling code. When you
receive a call with a code that matches yours, the signalling indicator will flash
and a tone will sound. Squelch opens and you will hear the call.
Squelch will close when you receive a call with a code that matches your
signalling reset code.
When making a call on a group programmed with a DTMF signalling code, the
signalling indicator will light and the squelch will open.

STUN

Depending on how your dealer programs your transceiver, when you receive a
call containing a Stun code, either your transceiver will be disabled temporarily or
permanently. When disabled temporarily, a tone will sound and "LOCK 2" will
appear on the display. When disabled permanently, a tone will sound and
"ERROR" will appear on the display.
Temporarily disabled transceivers are re-enabled when you receive a call with a
Stun cancel code.
key.
key.
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