Dtmf Operation; Registering The Dtmf Memory; Setting The Auto Dialer Function; Transmitting Dtmf Code Automatically Using Dtmf Memory - Yaesu FTM-500DR Advance Manual

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.

Registering the DTMF memory

1. Press and hold the FUNC knob  [44 DTMF MEMORY]  Press the FUNC knob
2. Rotate the FUNC knob to select the desired channel (1 to 9) to register the DTMF
code, then press the FUNC knob.
The DTMF memory channel input screen is displayed.
3. Use the FUNC knob or the numeric keypad of the microphone to input the DTMF code
up to a maximum of 16 digits.
4. Press and hold the FUNC knob to save the DTMF code.
5. Press the DIAL knob, SUB DIAL knob or PTT switch to finish the setting and return
to the original screen.

Setting the auto dialer function

Use the auto dialer function to automatically transmit the DTMF code registered in the
DTMF memory.
1. Press and hold the FUNC knob  [12 AUTO DIALER]  Press the FUNC knob
2. Rotate the FUNC knob to select "ON".
3. Press the DIAL knob, SUB DIAL knob or PTT switch to finish the setting and return
to the original screen.
When set to "ON", the DTMF icon " " will be shown on the display.

Transmitting DTMF code automatically using DTMF memory

1. Set the "ON" by referring to "Transmitting the Registered DTMF Code" (above).
2. Press the FUNC key  [DTMF]  Press the FUNC knob
3. Rotate the FUNC knob to select the desired DTMF memory (1 to 9).
4. 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.
• To send DTMF memory, press the number key of that number on the microphone
during transmission.

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.
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