Bit No. DIS/DTC DCS
33
(0)
(1)
Validity of bits 17, 18
Bits 17, 18 are valid
Bits 17, 18 are invalid
Recording width
Recording width indicated by bits
Recording width indicated by this
information
34 Recording width capability 1216 picture
elements along scan line length of 151 ±
mm 1%
Middle 1216 elements of 1728
elements
35 Recording width capability 864 picture
elements along scan line length of 107 ±
mm 1%
Middle 864 elements of 1728
elements
36 Recording width capability 1728 picture
elements along scan line length of 151 ±
mm 1%
Invalid
37 Recording width capability 1728 picture
elements along scan line length of 107 ±
mm 1%
Invalid
38 Reserved for future recording width
capability.
39 Reserved for future recording width
capability.
40 Extend field Extend field
41 R8×15.4 lines/mm R8×15.4 lines/mm
42 300×300 pels/25.4 mm 300×300 pels/25.4 mm
43 R16×15.4 lines/mm and/or 400×400 pels/25.4
mm
R16×15.4 lines/mm and/or 400×
25.4 mm
44 Inch based resolution preferred
Resolution type selection
"0" : neuritic based resolution
"1" : inch based resolution
45 Metric based resolution preferred Don’t care
46
Minimum scan line time capability for higher
resolutions
"0" : T
15.4
= T
7.7
"1" : T
15.4
= 1/2T
7.7
Don’t care
47 Selective Polling capability Set to "0".
48 Extend field Extend field
Note 1 - Standard facsimile units conforming to T.2 must have the following capability : Index of
cooperation (IOC)=264.
Note 2 - Standard facsimile units conforming to T.3 must have the following capability : Index of
cooperation (IOC)=264.
Note 3 - Standard facsimile units conforming to T.4 must have the following capability : Paper
length=297 mm.
178