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App.
4-23
Confidential
WSW20
(Overseas communications mode setting)
Selector
No.
Function
Setting and Specifications
1
EP* tone prefix
0: OFF
1: ON
2
Overseas communications
mode (Reception)
0: 2100 Hz
1: 1100 Hz
3
Overseas communications
mode (Transmission)
0: OFF
1: Ignores DIS once.
4
5
Min. time length from
reception of CFR to start of
transmission of video signals
No. 4 5
0 0 :
100 ms
0 1 :
200 ms
1 0 :
300 ms
1 1 :
400 ms
6
7
At CNG detection, elimination
of chattering noise
No. 6 7
0 0 : Yes, at both ON/OFF timings
0 1 : Yes, at OFF timing
1 X
:
No
8
Limitation on CNG detection
0: OFF
1: ON
* EP: Echo protection
NOTE:
Selectors 6 and 7 are applicable to models equipped with SDAA circuits.
Selector 1: EP tone prefix
Setting this selector to "1" makes the machine transmit a 1700 Hz echo protection (EP) tone
immediately preceding training in V.29 modulation system to prevent omission of training signals.
Prefixing an EP tone is useful when the machine fails to transmit at the V.29 modem speed and
always has to fall back to 4800 bps transmission.
The setting made by this selector takes effect only when the Overseas Mode is set to ON.
Selectors 2 and 3: Overseas communications mode
These selectors should be used if the machine malfunctions in overseas communications.
According to the communications error state, select the signal specifications.
Setting selector 2 to "1" allows the machine to use 1100 Hz CED signal instead of 2100 Hz in
receiving operation. This prevents malfunctions resulting from echoes, since the 1100 Hz signal
does not disable the echo suppressor (ES) while the 2100 Hz signal does.
Setting selector 3 to "1" allows the machine to ignore a DIS signal sent from the called station once
in sending operation. This operation suppresses echoes since the first DIS signal immediately
follows a 2100 Hz CED (which disables the ES) so that it is likely to be affected by echoes in the
disabled ES state. However, such a disabled ES state will be removed soon so that the second and
the following DIS signals are not susceptible to data distortion due to echoes. Note that some
models when called may cause error by receiving a self-outputted DIS.
The setting made by selector 3 takes effect only when the Overseas Communications Mode is set to
ON. (The setting made by selector 2 is always effective.)
Содержание DCP-110C
Страница 10: ...Confidential CHAPTER 1 PARTS NAMES FUNCTIONS ...
Страница 14: ...1 3 Confidential 1 2 CONTROL PANEL MFC620CN FAX2440C ...
Страница 17: ...1 6 Confidential MFC210C ...
Страница 21: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Страница 87: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Страница 103: ...3 15 Confidential Front end ASSY Piezoelectric plate Laminated electrode Manifold Damper Nozzle plate A A A A Channel ...
Страница 131: ...Confidential CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR ...
Страница 136: ...Confidential CHAPTER 55 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Страница 168: ...5 30 Confidential Removing the head cover 2 Unlatch the head cover from the head carriage unit and pull it up ...
Страница 212: ...5 74 Confidential Routing C Backup battery harness and ink supply tubes MFC620CN and FAX2440C ...
Страница 214: ...5 76 Confidential Viewed from the left ...
Страница 220: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Страница 238: ...6 16 Confidential Paper Feeding Check Patterns for the Paper Feed Roller and Paper Ejection Roller A B ...
Страница 240: ...6 18 Confidential Vertical Alignment Check Patterns ...
Страница 243: ...6 21 Confidential Margin Check Pattern ...
Страница 253: ...Confidential CHAPTER 7 CLEANING ...
Страница 256: ...Confidential CHAPTER 8 MAINTENANCE MODE ...
Страница 267: ...8 9 Confidential Scanning Compensation Data List a b c d e f i ...
Страница 274: ...8 16 Confidential Configuration List ...
Страница 288: ...8 30 Confidential Paper Feeding Check Pattern for the Paper Feed Roller and Paper Ejection Roller A B ...
Страница 294: ...8 36 Confidential 1st sheet 2nd sheet Vertical Alignment Check Patterns ...
Страница 297: ...8 39 Confidential Margin Check Pattern ...
Страница 311: ...Confidential CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING ...
Страница 362: ...App 1 2 Confidential 2 Head property label Property label for the head carriage unit Location ...
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Страница 466: ...Confidential February 05 SM FAX028 8CA811 8 Printed in Japan ...