Canon iR1200 Series Service Manual page 472

Chapter 15
G3 Signal Transmission Test
A press on '4' on the keypad from the MODEM NCU Test menu selects the G3 signal transmission test. In this test,
the following G3 signals from the modem are transmitted using the telephone line terminal and the speaker. To select
a different transmission speed, use the keypad.
Keypad
0
1
2
3
4
5
6
7
8
MEMO:
The output level of individual signals is in keeping with the setting made in service mode.
DTMF Signal Transmission Test
A press on '5' on the MODEM NCU Test menu selects the DTMF signal transmission test. In the test, the following
DTMF signals from the modem are transmitted using the telephone line terminal and the speaker. The number
pressed on the keypad selects a specific DTMF signal.
MEMO:
The output level of individual signals is in keeping with the setting made in service mode.
Tonal/DTMF Signal Reception Test
A press on '6' on the keypad from the MODEM NCU Test menu selects the tonal signal/DTMF signal reception 0
test. In this signal, the tonal signal/DTMF signal received from the telephone line terminal can be checked to find
out if it was detected by the modem.
15-64
T-15-54
Frequency
300 bps
2400 bps
4800 bps
7200 bps
9600 bps
TC7200 bps
TC9600 bps
12000 bps
14400 bps