Panasonic UF-5500 Service Manual page 111

10.1.4.2. Tonal Signal
This Service Mode is used to check the tonal signal output. Signals can be output to the line using the
following procedure.
Step
1 Standby
2 Press "FUNCTION" and then "7".
3 Press "MONITOR" four times, then press "*".
Enter the key operator password (The factory default ID is 00000000.) and press
4
"Set".
5 Press "4".
6 Press "2" and "START".
7 Enter the signal number (1-8) to select the binary signal.
8 Press "CLEAR" to end the signal generation. To select another signal, repeat step 7.
9 Press "STOP" twice to return to standby.
Service Mode 4 - Tonal Signal
Operation or Unit Condition
Tonal Signal Table
Number
1
2
3
4
5
6
7
8
111
Signals
462 Hz
1080 Hz
1100 Hz
1300 Hz
1650 Hz
1850 Hz
2100 Hz
RBT
UF-5500 / 4500
LCD Display
(The pictured model is UF-5500.)