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4.2.5.3.
DTMF Signal
DP-2310/3010 DP-2330/3030
This Service Mode is used to check the DTMF (Dual Tone Multi Frequency) signal output. The DTMF signal can be generated using the following procedure. � DTMF Single Tone Select the "04 MODEM Tests" on the Touch Panel display. � Select the "03 DTM Single Tone" on the Touch Panel display. � Select the desired parameter on the Touch Panel display and press the "START" key. � Press the "STOP" key and touch the "CLOSE". � Touch the "OK" button 3 times. � Press "FUNCTION" and "C (CLEAR)" keys simultaneously to exit the service mode. � DTMF Dual Tone Select the "04 MODEM Tests" on the Touch Panel display. � Select the "04 DTMF Dual Tone" on the Touch Panel display. � Select the desired parameter on the Touch Panel display. � Press the "STOP" key and touch the "CLOSE". � Touch the "OK" button 3 times. � Press "FUNCTION" and "C (CLEAR)" keys simultaneously to exit the service mode. DTMF Single Tone Table Number 1 2 3 4 5 6 7 8 DTMF Signal Tones 697 Hz 770 Hz 852 Hz 941 Hz 1209 Hz 1336 Hz 1477 Hz 1633 Hz DTMF Dual Tone Table Number 0 1 2 3 4 5 6 7 8 9 * # DTMF Dual Tones 941 Hz + 1336 Hz 697 Hz + 1209 Hz 697 Hz + 1336 Hz 697 Hz + 1477 Hz 770 Hz + 1209 Hz 770 Hz + 1336 Hz 770 Hz + 1477 Hz 852 Hz + 1209 Hz 852 Hz + 1336 Hz 852 Hz + 1477 Hz 941 Hz + 1209 Hz 941 Hz + 1477 Hz
