Panasonic DP-2310 Service Handbook page 115

4.2.5.2. Tonal Signal
This Service Mode is used to check the tonal signal output. Signals can be output to the line using the
following procedure.
Select the "04 MODEM Tests" on the Touch Panel display.
↓
Select the "02 Tonal Signal" on the Touch Panel display.
↓
Select the desired parameter on the Touch Panel display and touch the "CLOSE".
↓
Touch the "OK" key 3 times.
↓
Press "FUNCTION" and "C (CLEAR)" keys simultaneously to exit the service mode.
Ver. 1.00
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
115
DP-2310/3010
APR 2003