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118
SEP 2003
Ver. 4.0
DP-3520/4520/6020
DP-3510/4510/6010
4.2.5.3.
DTMF Signal
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.
The DTMF signal can be generated using the following procedure.
Select the “04 MODEM Tests” on the Touch Panel display.
↓
Select the “03 DTM Single Tone” or “DTMF Dual Tone” on the Touch Panel display.
↓
Select the desired parameter on the Touch Panel display and touch the “CLOSE” button.
↓
Touch the “OK” button 3 times.
↓
Press “FUNCTION” and “C (CLEAR)” keys simultaneously to exit the service mode.
DTMF Single Tone Table
DTMF Dual Tone Table
Number
DTMF Signal Tones
1
697 Hz
2
770 Hz
3
852 Hz
4
941 Hz
5
1209 Hz
6
1336 Hz
7
1477 Hz
8
1633 Hz
Number
DTMF Dual Tones
0
941 Hz + 1336 Hz
1
697 Hz + 1209 Hz
2
697 Hz + 1336 Hz
3
697 Hz + 1477 Hz
4
770 Hz + 1209 Hz
5
770 Hz + 1336 Hz
6
770 Hz + 1477 Hz
7
852 Hz + 1209 Hz
8
852 Hz + 1336 Hz
9
852 Hz + 1477 Hz
*
941 Hz + 1209 Hz
#
941 Hz + 1477 Hz
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