Specifications

CHAPTER 4 SERVICE MODE
4-42
COPYRIGHT
©
1999 CANON INC. CANON SUPER G3 FAX BOARD-F1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
d. DTMF Transmission Test (DTMF Tx)
Press ‘DTMF Tx’ on the MODEM NCU Menu screen to start DTMF transmission test and to
bring up the following screen:
Select and press an item from among the list of items indicated so that signals are transmitted
using the DTMF transmission function of the modem after closing the direct current circuit. You can
also monitor the transmission signals coming out of the speaker.
· A DTMF signal is transmitted in response to a press on the keypad, *, or # key.
· The indication representing the key that has been pressed is highlighted.
· The following may be selected to specify how long DTMF is transmitted:
LONG: transmit until the next key is pressed.
SHORT: transmit for about 100 msec.
· To stop operation, press the key.
e. Tone Signal Reception Test (TONE Rx)
Press ‘TONE Rx’ on the MODEM NCU Menu screen to start tone signal reception test mode
and to bring up the following screen.
The direct current circuit will be closed, and DTMF signals are detected at the selected frequency
using the tone detection function and the DTMF reception function of the modem. The frequencies
are as follows:
462 ±14 Hz
1100 ±30 Hz
2100 ±25 Hz
To stop the operation, stop the key.
<1/1>
<READY>
Report
Sssw Menu Num Ncu
Type
Genesis
Print Clear Test
<MODEM NCU>
<DTMG Tx>
LONG
SHORT
0123456789*#
<1/1>
<READY>
Report
Sssw Menu Num Ncu
Type
Genesis
Print Clear Test
<MODEM NCU>
<TONE Rx>
EXTERNAL
INTERNAL
440Hz=
1100Hz=
1300Hz=
DTMF