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92
UF-7000/8000
NOV 2004
Ver. 2.0
UF-7100/8100
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.
• DTMF Single Tone
Press the “V”, ”/\” arrow keys to select the "4: MODEM Test" on the display.
↓
Press the “SET” key.
↓
Press the “V”, ”/\” arrow keys select the "1: LINE-1".
↓
Press the “SET” key to select the "3: DTMF Test".
↓
Press the “SET” key.
↓
Press the “V”, ”/\” arrow keys to select the "1. Single".
↓
Press the desired number and press the "START" key.
↓
Press the “STOP” key twice to exit the service mode.
• DTMF Dual Tone
Press the “V”, ”/\” arrow keys to select the "4: MODEM Test" on the display.
↓
Press the “SET” key.
↓
Press the “V”, ”/\” arrow keys select the "1: LINE-1".
↓
Press the “SET” key to select the "3: DTMF Test".
↓
Press the “SET” key.
↓
Press the “V”, ”/\” arrow keys to select the "2. Dual".
↓
Press the desired number and press the "START" key.
↓
Press the “STOP” key twice to exit the service mode.
DTMF Single Tone Table
DTMF Dual Tone Table
Number
DTMF Signal Tones
Number
DTMF Dual Tones
1
697 Hz
0
941 Hz + 1336 Hz
2
770 Hz
1
697 Hz + 1209 Hz
3
852 Hz
2
697 Hz + 1336 Hz
4
941 Hz
3
697 Hz + 1477 Hz
5
1209 Hz
4
770 Hz + 1209 Hz
6
1336 Hz
5
770 Hz + 1336 Hz
7
1477 Hz
6
770 Hz + 1477 Hz
8
1633 Hz
7
852 Hz + 1209 Hz
8
852 Hz + 1336 Hz
9
852 Hz + 1477 Hz
*
941 Hz + 1209 Hz
#
941 Hz + 1477 Hz