Panasonic UF-490 Service Manual page 144

5.1.4.2. 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 "*".
4 Press "4".
Press "2" or
5
use "V" or "/\ " to scroll to the desired Modem Test.
6 Press "START".
7 Enter the signal number (1-7) to select the binary
signal.
8 Press "CLEAR" to end the signal generation. To select
another signal, repeat step 6.
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
Signals
462 Hz
1080 Hz
1100 Hz
1300 Hz
1650 Hz
1850 Hz
2100 Hz
144
LCD Display
OCT-12 10:58 00%
SET MODE (1-8)
SERVICE MODE
SIGNAL TEST
TONAL TEST
IDLE (ENTER 1-7)
1080Hz
IDLE (ENTER 1-7)
OCT-12 10:58 00%