5.2.5.2.
Tonal Signal
This Service Mode is used to check the tonal signal output. Signals can be output to the line using the
following procedure.
Press the "V", "/\" arrow keys to select the "4: MODEM Test" on the display.
↓
Press the "SET" key to select the "2: Tonal Test".
↓
Press the "SET" key.
↓
Press the desired number and press the "START" key.
↓
Press the "STOP" key twice to exit the service mode.
Ver. 1.2
Tonal Signal Table
Number
Signals
1
462 Hz
2
1080 Hz
3
1100 Hz
4
1300 Hz
5
1650 Hz
6
1850 Hz
7
2100 Hz
224
DP-1520P/1820P/1820E
SEP 2004