Canon PIXMA MP750, Service Manual

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SW28 (service soft switch 28: V.8/V.34 protocol settings)
Bit Function 1 0
0 (New) Caller V.8 protocol NO YES
1 (New) Called party V.8 protocol NO YES
2 (New) Caller V.8 protocol late start NO YES
3 (New) Called party V.8 protocol late start NO YES
4 (New) V.34 reception fallback Prohibited Not prohibited
5 (New) V.34 transmission fallback Prohibited Not prohibited
6 Not used
7 Not used
[Bit 0]
Select whether to use the V.8 protocol when calling. If NO is selected, the V.8 protocol is inhibited
at calling and the V.21 protocol is used.
[Bit 1]
Select whether to use the V.8 protocol when called. If NO is selected, the V8 protocol is inhibited
when called and the V.21 protocol is used.
[Bit 2]
If ANSam signal is not received during transmission (mainly manual transmission), select whether
to use the V.8 protocol when the other fax machine declares the V.8 protocol in DIS signal. If NO
is selected, the CI signal is not transmitted and the V.8 protocol is not used even if the DIS that
specifies the V.8 protocol is received.
[Bit 3]
Select whether to declare the V.8 protocol in DIS signal for reception (mainly caller manual
transmission). If NO is selected, the V.8 protocol cannot be used because it is not declared in DIS
signal.
[Bit 4]
Select whether the receiver falls back during V.34 reception. If OFF is selected, the receiver does
not fall back.
[Bit 5]
Select whether the transmitter falls back during V.34 transit. If OFF is selected, the transmitter does not
fall back.