27DTMF OperationDTMF (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 codescan be stored as telephone numbers to make calls through the public telephone networkusing a phone patch or connect through the WIRES-X analog node station.Setting the DTMF Memory1. Press and hold the [DISP] key touch [SIGNALING] [5 DTMF MEMORY].2. Rotate the DIAL knob to select the desired channel (1 to 10) to register the DTMFcode, then press the [DISP] key.The DTMF memory channel input screen is displayed.3. Use the numeric keypad or DIAL knob to input the DTMF code maximum of 16 digits.• Using the DIAL knob:The DTMF codes from 0 to 9 may be input.• • • 0 to 9 A to D * - # • • •4. Press the PTT switch to save the setting and return to normal operation.Transmitting the Registered DTMF Code1. Press and hold the [DISP] key touch [SIGNALING] [4 DTMF MODE].2. Rotate the DIAL knob to select the “MODE”.3. Press the [DISP] key, and then turn the DIAL knob to select the setting.AUTO : The registered DTMF code is automatically transmitted.MANUAL: The DTMF code may be transmitted manually by pressing each numerickey.4. Press the PTT switch to save the setting and return to normal operation.When set to “AUTO”, the DTMF icon “ ” will be shown on the display.Transmitting DTMF code automatically using DTMF memory1. Set “AUTO ” by referring to “Transmitting the Registered DTMF Code” (above).2. While pressing and holding the PTT switch, touch [DTMF].3. Touch a numeric [0] to [9].• The DTMF code registered in the DTMF memory channel is automatically trans-mitted.• Even after releasing the PTT switch, the transmission continues until the DTMFcode is completed. The transceiver is automatically returned to receive mode.Manually Transmitting the DTMF Code1. Set “MANUAL” by referring to “Transmitting the Registered DTMF Code” (above).2. While pressing and holding the PTT switch, touch [DTMF].• Touch each corresponding key to send the DTMF code• The transmission may continue for one second after releasing the PTT switch.