Yaesu FTM-300DR, Advance Manual

Page: 16 / 65

16
DTMF Operation
DTMF (Dual Tone Multi Frequencies) are the tone signals sent to make telephone calls,
or control repeaters and network links. Up to 10 registers of 16-digit DTMF tone codes
can be stored as telephone numbers to make calls through the public telephone network
using a phone patch or to connect through the WIRES-X analog node station.
Setting the DTMF Memory
1. Press the [ F(SETUP) ] key

[ FUNCTION ]

[ DTMF MEMORY ]
2. Rotate the DIAL knob to select the desired channel (1 to 9) to register the DTMF
code, then press the DIAL knob.
The DTMF memory channel input screen is displayed.
3. Use the DIAL knob or numeric keypad of the microphone to input the DTMF code up
to a maximum of 16 digits.
4. Press the DIAL knob, then press the [ DISP ] key to save the setting and return to
normal operation.
Transmitting the Registered DTMF Code
Use the auto dialer function to automatically transmit the DTMF code registered in the
DTMF memory.
1. Press and hold the [
F(SETUP) ] key

[ SIGNALING ]

[ 1 AUTO DIALER ]
2. Press the DIAL knob to select “ ON ”.
3. Press the [ DISP ] key or the PTT switch, to save the setting and return to normal
operation.
When set to “ ON ”, the DTMF icon “ ” will be shown on the display.
Transmitting DTMF code automatically using DTMF memory
1. Set the DTMF code “ ON ” by referring to “Transmitting the Registered DTMF Code”
(above).
2. Press the [
F(SETUP)
] key

[
FUNCTION
]

[
DTMF
]
3. Press the DIAL knob.
4. Rotate the DIAL knob to select the desired channel (1 to 9).
5. Press the PTT switch.
• The DTMF code registered in the DTMF memory channel is automatically trans-
mitted.
• Even after releasing the PTT switch, the transmission continues until the DTMF
code is completed. The transceiver is automatically returned to receive mode.
6. Press the [ DISP ] key or the PTT switch to restore normal operation.
Manually Transmitting the DTMF Code
1. While pressing and holding the
PTT
switch, use the numeric keypad of the micro-
phone and press each digit of the DTMF code in sequence to transmit the code.
The DTMF code can be sent manually regardless of whether the auto dialer is set to ON or
OFF.