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G3 FACSIMILE COMMUNICATIONS
6.8.4 Details of FIF
FIF is used for incorporating information that cannot be expressed by FCF
alone.
As the format of FIF differs according to each signal, let's describe FIF in
order.
• FIF of DIS, DTC
The FIF of DIS and DTC has the same format and the same meaning. By
DIS, the receiver notifies the other party of functions relating to self-recep-
tion at normal transmission, and DTC is a signal used during polling.
5–112
Bit No.
1 to 5
G1/G2 functions = "00000000"
6
V.8 function
7
"0"= 256 octet priority
"1"= 64 octet priority
8
Pending
9
Has G3 transmission functions (polling standby)
10
Has G3 reception functions "1"
11,12,
Image transmission speed
13,14
15
Vertical scanning
16
Coding scheme: (0) =
17,18
Recording paper width
19,20
Recording paper length
Table 5-15 FIF of DIS, DTC
Meaning/Function
(0000) = V.27ter fallback mode
(0100) = V.27ter (4800bps, 2400bps)
(1000) = V.29 (9600bps, 7200bps)
(1100) = V.27ter, V.29
(1101) = V.27ter, V.29
V.17 (14400bps, 12000bps, 9600bps,
7200bps)
(other) = Not used or reserved
line density:
(0) =
Standard only (1) = Standard and fine
Only MH (1) = Both MH and MR
(00) = A4 (10) = A4 and B4
(01) = A4, B4 and A3
(11) = Disabled (interpreted as 01)
(00) = A4 (10) = No limit to recording paper length
(01) = A4 and B4 (11) = Disabled
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