Canon iR1200 Series, Service Manual

Page: 422 / 494

Chapter 15
15-14
T-15-7
[Bit 1]
Use it to specify whether or not to transmit an echo protection tone for high-speed transmission V.29 (9600 or 7200
bps; modem signal).
If an error occurs often because of a line condition at time of transmission, set it to '1'. If set to '1', unmodulated carrier
will be transmitted as a sync signal before transmission of an image for about 200 msec.
MEMO:
The following error codes are associated with a line condition at time of transmission:
##100, ##104, ##281, ##282, ##283, ##750, ##755, ##760, ##765
[Bit 7]
Use it to specify whether or not to transmit a 1080-Hz tonal signal before transmission of the CED signal. Set it to
'1' if an error occurs often because of an error at time of reception.
MEMO:
The following error codes are associated with an echo at time of reception:
##005, ##101, ##106, ##107, ##114, ##200, ##201, ##790
[Bit 4, 5, 6]
Select the transmission mode, long distance (1), long distance (2), or long distance (3). If errors due to echo occur
frequently in transmission to overseas, set the transmission mode with the dial registration or service soft switch.
Bit Function 1 0 Factory
setting
0 not used - - 0
1 echo product tone in high-speed
transmission
transmit do not
transmit
0
2 not used - -
3 not used - -
4 Transmission mode; long Yes No 0
distance (1)
5 Transmission mode; long Yes No 0
distance (2) or long distance (3)
6 Transmission mode Long Long 0
distance (3) distance (2)
7 tonal signal before transmission of CED
signal
transmit do not
transmit
0