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Copying Equipment / MX-FXX2 Service Manual (Complete)
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Sharp MX-FXX2 (serv.man2) Service Manual ▷ View online

MX-FXX2  SIMULATIONS, FAX SOFTWARE SWITCH  5 – 22
6
1-4
Calling
Setting of DTMF send 
level (low group)
High group - Low 
group: level difference
This sets the difference between the DTMF signal high area 
level and low area level in units of 0.5dB.
Setting can be made over the range of -2.0dB to 5.5dB in 
0.5dB increments by binary inputting. 
High group - Low group
"0 0 0 0": -2.0dB
"1 0 0 0": 2.0dB
"0 0 0 1": -1.5dB
"1 0 0 1": 2.5dB
"0 0 1 0": -1.0dB
"1 0 1 0": 3.0dB
"0 0 1 1": -0.5dB
"1 0 1 1": 3.5dB
"0 1 0 0": 0.0dB
"1 1 0 0": 4.0dB
"0 1 0 1": 0.5dB
"1 1 0 1": 4.5dB
"0 1 1 0": 1.0dB
"1 1 1 0": 5.0dB
"0 1 1 1": 1.5dB
"1 1 1 1": 5.5dB
1
"1000": 2.0dB 
(Other country)
"0100": 0.0dB 
(New Zealand)
"1010": 3.0dB (Australia)
Adjustment 
value
0
0
0
5-8
Not used
0
0
0
0
7
1-8
Calling
Setting of DTMF 
minimum pause time
This sets the minimum pause time between DTMF signals 
when sending DTMF signals.
Minimum pause time can be set by binary inputting N over the 
range of 0 to 255 (1ms x N).
Setting can be made over the range of 50ms to 255ms in 1ms 
increments by binary inputting.
When SW15-3,4 are set to other than "MODEM fixed," the set 
value less than 54ms is considered as 54ms.
The initial value is reverted to if a value outside of the setting 
range is set.
0
120ms
Adjustment 
value
1
1
1
1
0
0
0
8
1-5
Calling
DTMF signal send time
This sets the time that DTMF signals are sent when sending 
DTMF signals.
Send time can be set over the rage of 70 to 310ms in 10ms 
increments by binary inputting N from 0 to 31 (110ms x N).
The initial value is reverted to if a value outside of the setting 
range is set.
0
110ms
Adjustment 
value
1
0
1
1
6, 7
Calling
Dial call waiting time
This sets the waiting time from the end of line connection to 
the start of dial call at times of automatic dial calling.
"00": 3.5 seconds
"01": 4 seconds
"10": 5 seconds
"11": 6 seconds
This only functions when dial tone detection is OFF.
0
"00": 3.5 seconds 
(Other country)
"01": 4 seconds (U.K./
Finland/Norway/Denmark/
Netherlands/Italy/New 
Zealand/Slovakia/South 
Africa/Spain/Portuguese/
Luxemburg/Belgium/
Czech/Hungary/Greece/
Poland)
Adjustment 
value
0
8
Calling
Line current detection 
at times of dial calling
Setting to determine whether or not to call dial following 
detection of line current during line connection at times of 
automatic dial calling.
"1": No
"0": Yes
In cases where the setting is "Yes" but no line current can be 
detected, dial is not called but the busy re-call procedure is 
followed.
1
"1": No (North America/
Taiwan/Middle East/
Other3/Rusia)
"0": Yes (Other country)
Setting
9
1
Calling
Manual calibration 
setting when sending
Setting to execute the manual calibration or not when 
sending.
In case of an abnormal current waveform, the auto calibration 
fails and the DTFM signal is deformed. This setting provides 
the countermeasure against that problem.
"0": Execute
"1": Not execute
0
Execute
Setting
2
Call 
arrival
Manual calibration 
setting when a signal
arrives
Setting to execute the manual calibration or not when a signal 
arrives.
In case of an abnormal current waveform, the auto calibration 
fails and the transmission is affected. This setting provides 
the countermeasure against that problem.
"0": Execute
"1": Not execute
0
Execute
Setting
3, 4
Not used
1
1
5
Calling
SDT signal detection
Setting to determine whether or not to detect the SDT signal, 
which is the second dial tone when transmitting to the F-net.
When the SDT signal is not detected, ordinary dialling is 
conducted even after 16X dialling.
"0": Do not detect
"1": Detect
0
Do not detect
Setting
6
Calling
No. 2 dial tone 
detection
Setting of ON/OFF of No.2 dial tone detection function.
"0": OFF (No. 2 dial tone detection is not performed.)
"1": ON (No. 2 dial tone detection is performed.)
0
Detection is not performed
Setting
SW 
No.
Bit 
No.
Item
SW selection and function
Initial value
System 
settings
MX-FXX2  SIMULATIONS, FAX SOFTWARE SWITCH  5 – 23
9
7
Calling
Dial tone detection
When the setting is "Yes," the dial is sent following 
confirmation of detection of the dial tone when the line is 
captured; and when the setting is "No," dial is sent without a 
dial tone because no confirmation of dial tone detection is 
carried out after line capture.
"0": No
"1": Yes
1
"1": Yes (Other country)
"0": No (Australia/New 
Zealand/China/Indonesia/
Thailand/Malaysia/India/
Philippine/Hong Kong/
Taiwan/Middle East/
Other3/Rusia)
Setting
8
Calling
Dial tone ON detection 
time (during 
continuous detection)
This sets the waiting time from the end of line connection to 
the start of dial call at times of automatic dial calling.
"0": 1.5 seconds
"1": 1 seconds
0
1.5 seconds
Adjustment 
value
10
1-4
Calling
Lower limit of dial tone 
ON/OFF detection time 
(during intermittent 
detection)
This sets the lower limit time for detection of dial tone ON/
OFF time.
Setting can be made over the range of 40ms to 490ms in 
30ms increments by binary inputting.
(N x 30ms) + 40ms
This is only valid during intermittent DT detection.
0
"0010": 100ms (North 
America/Australia/New 
Zealand/China/Singapore/
Indonesia/Thailand/
Malaysia/India/Philippine/
Hong Kong/Taiwan/Middle 
East/Other3/Brazil)
"0001": 70ms 
(Other country)
Adjustment 
value
0
1
0
5-8
Calling
Upper limit of dial tone 
ON/OFF detection time 
(during intermittent 
detection)
This sets the upper limit time for detection of dial tone ON/
OFF time.
 Setting can be made over the range of 400ms to 1900ms in 
100ms increments by binary inputting.
(N x 100ms) + 400ms
This is only valid during intermittent DT detection.
0
"0011": 700ms (North 
America/Australia/New 
Zealand/China/Singapore/
Indonesia/Thailand/
Malaysia/India/Philippine/
Hong Kong/Taiwan/Middle 
East/Other3/Brazil)
"1000": 1200ms 
(Other country)
Adjustment 
value
0
1
1
11
1-4
Calling
External line 
connection number 
setting 1 <First digit>
When No. 2 dial tone is detected, this area is compared with 
the external in connection number. If they match, the units 
waits for No. 2 dial tone.
Up to two external line connection numbers (max. 4 digits) 
can be registered as options.
The first digit of the external line connection number 1 is set.
The numbers and codes which can be registered are as 
follows.
0 - 9 / * (a) / # (b) / – (pause) (c) / 
Not used for this digit and after (d) / Any is OK (f)
When set to [e], it is considered as setting to [0].
0
0
Setting
0
0
0
5-8
Calling
External line 
connection number 
setting 1 <Second 
digit>
The second digit of the external line connection number 1 is 
set.
The numbers and codes which can be registered are as 
follows.
0 - 9 / * (a) / # (b) / – (pause) (c) / 
Not used for this digit and after (d) / Any is OK (f)
When set to [e], it is considered as setting to [0].
0
0
Setting
0
0
0
12
1-4
Calling
External line 
connection number 
setting 1 <Third digit>
The third digit of the external line connection number 1 is set.
The numbers and codes which can be registered are as 
follows.
0 - 9 / * (a) / # (b) / – (pause) (c) / 
Not used for this digit and after (d) / Any is OK (f)
When set to [e], it is considered as setting to [0].
0
0
Setting
0
0
0
5-8
Calling
External line 
connection number 
setting 1 <Fourth digit>
The fourth digit of the external line connection number 1 is 
set.
The numbers and codes which can be registered are as 
follows.
0 - 9 / * (a) / # (b) / – (pause) (c) / 
Not used for this digit and after (d) / Any is OK (f)
When set to [e], it is considered as setting to [0].
0
0
Setting
0
0
0
13
1-4
Calling
External line 
connection number 
setting 2 <First digit>
The first digit of the external line connection number 2 is set.
The numbers and codes which can be registered are as 
follows.
0 - 9 / * (a) / # (b) / – (pause) (c) / 
Not used for this digit and after (d) / Any is OK (f)
When set to [e], it is considered as setting to [0].
0
0
Setting
0
0
0
5-8
Calling
External line 
connection number 
setting 2 <Second 
digit>
The second digit of the external line connection number 2 is 
set.
The numbers and codes which can be registered are as 
follows.
0 - 9 / * (a) / # (b) / – (pause) (c) / 
Not used for this digit and after (d) / Any is OK (f)
When set to [e], it is considered as setting to [0].
0
0
Setting
0
0
0
SW 
No.
Bit 
No.
Item
SW selection and function
Initial value
System 
settings
MX-FXX2  SIMULATIONS, FAX SOFTWARE SWITCH  5 – 24
14
1-4
Calling
External line 
connection number 
setting 2 <Third digit>
The third digit of the external line connection number 2 is set.
The numbers and codes which can be registered are as 
follows.
0 - 9 / * (a) / # (b) / – (pause) (c) / 
Not used for this digit and after (d) / Any is OK (f)
When set to [e], it is considered as setting to [0].
0
0
Setting
0
0
0
5-8
Calling
External line 
connection number 
setting 2 <Fourth digit>
The fourth digit of the external line connection number 2 is 
set.
The numbers and codes which can be registered are as 
follows.
0 - 9 / * (a) / # (b) / – (pause) (c) / 
Not used for this digit and after (d) / Any is OK (f)
When set to [e], it is considered as setting to [0].
0
0
Setting
0
0
0
15
1, 2
Calling
DT/BT detection level
This sets the minimum detection level for determining that 
dial tone and busy tone have been detected. Signal levels not 
larger than this setting are ignored.
"00": -43dB
"01": -35dB
"10": -33dB
"11": -30dB
DT, BT common
0
-43dB
Adjustment 
value
0
3, 4
Calling
DT/BT detection 
frequency range 
setting
This sets the detection frequency range when detecting dial 
tone and busy tone.
Change the setting if dial tone and busy tone are erroneously 
detected.
"00": MODEM fixed (about 308Hz - 517Hz)
"01": 420Hz - 680Hz
"10": 360Hz - 440Hz
"11": 245Hz - 650Hz
For CTR21: 245Hz - 650Hz
1
"11": 245Hz - 650Hz 
(Other country)
"00": MODEM fixed 
(Thailand/India)
"01": 420Hz - 680Hz 
(China)
"10": 360Hz - 440Hz 
(Indonesia/Malaysia/
Middle East/Other3/Rusia)
Adjustment 
value
1
5
Calling
Busy tone detection
Setting to determine whether or not to detect the busy tone 
signal during automatic dial calling and when the external 
telephone simulated call sound is ringing.
"0": Detect
"1": Do not detect
0
Detect
Setting
6
Calling
Busy tone OFF non-
detection time
This sets the non-detection time on the busy tone OFF 
section.
Change the setting in cases where noise, etc. on the busy 
tone ON section adversely affects the ON section.
"0": 100ms
"1": 300ms
* Make shorter than the "busy tone OFF detection time."
0
100ms
Adjustment 
value
7, 8
Calling
Lower limit of busy 
tone ON detection time
This sets the lower limit time of the ON section when 
detecting frequency of the busy tone signal.
If busy tone signals are not detected in excess of this time, do 
not count as 1 pulse.
"00": 250ms
"01": 140ms
"10": 450ms
"11": 350ms
0
"00": 250ms (North 
America/Australia/New 
Zealand/China/Singapore/
Indonesia/Thailand/
Malaysia/India/Philippine/
Hong Kong/Taiwan/Middle 
East/Other3/South Africa)
"01": 140ms 
(Other country)
Adjustment 
value
0
16
1, 2
Calling
Upper limit of busy 
tone ON detection time
This sets the upper limit time of the ON section when 
detecting frequency of the busy tone signal.
If busy tone signal is detected in excess of this time, do not 
count as 1 pulse.
"00": 750ms
"01": 650ms
"10": 1000ms
"11": 2850ms
0
"00": 750ms 
(Other country)
"10": 1000ms 
(Australia/India)
"11": 2850ms 
(Singapore/South Africa)
Adjustment 
value
0
3, 4
Calling
Lower limit of busy 
tone OFF detection 
time
This sets the lower limit time of the OFF section when 
detecting frequency of the busy tone signal.
If busy tone OFF signals are not detected in excess of this 
time, do not count as 1 pulse.
"00": 250ms
"01": 140ms
"10": 450ms
"11": 350ms
0
"00": 250ms (North 
America/Australia/New 
Zealand/China/Singapore/
Indonesia/Thailand/
Malaysia/India/Philippine/
Hong Kong/Taiwan/Middle 
East/Other3/South Africa)
"01": 140ms 
(Other country)
Adjustment 
value
0
5, 6
Calling
Upper limit of busy 
tone OFF detection 
time
This sets the upper limit time of the OFF section when 
detecting frequency of the busy tone signal.
If busy tone signal is detected in excess of this time, do not 
count as 1 pulse.
"00": 750ms
"01": 650ms
"10": 1000ms
"11": 2850ms
0
"00": 750ms 
(Other country)
"10": 1000ms (Singapore/
India/South Africa)
Adjustment 
value
0
SW 
No.
Bit 
No.
Item
SW selection and function
Initial value
System 
settings
MX-FXX2  SIMULATIONS, FAX SOFTWARE SWITCH  5 – 25
16
7, 8
Not used
0
0
17
1-4
Call 
arrival
Call signal OFF non-
detection time
This sets the time for ignoring OFF signals and regarding ON 
time to be continuous following ON detection of the call signal 
(CI).
This is intended to treat the PBX call signal "ring-ring" as a 
single call signal.
Setting can be made over the range of 0ms to 1500ms in 
100ms increments by binary inputting.
0
"0110": 600ms (North 
America/Australia/Taiwan/
Middle East/Other3/Rusia)
"0100": 400ms 
(Other country)
"1010": 1000ms 
(New Zealand)
Adjustment 
value
1
1
0
5-8
Call 
arrival
Lower limit of call 
signal ON time
This sets the minimum ON time for detecting call signal (CI) 
pulses (number of pulses). 1 pulse is counted if the CI signal 
remains ON for the set ON time or longer.
Setting can be made over the range of 150ms to 300ms in 
10ms increments by binary inputting.
0
"0000": 150ms 
(Other country)
"0010": 170ms (Australia)
Adjustment 
value
0
0
0
18
1-4
Call 
arrival
Upper limit of call 
signal ON time
This sets the maximum ON time for detecting call signal (CI) 
pulses (number of pulses). Disregard and do not count as 1 
pulse if the CI signal remains ON for the set ON time or 
longer.
Setting can be made over the range of 3000ms to 4500ms in 
100ms increments by binary inputting.
0
3000ms
Adjustment 
value
0
0
0
5-8
Call 
arrival
Lower limit of call 
signal OFF time
This sets the minimum OFF time for detecting call signal (CI) 
pulses (number of pulses). 1 pulse is counted if the CI signal 
remains OFF for the set OFF time or longer.
Setting can be made over the range of 100ms to 1500ms in 
100ms increments by binary inputting.
Setting range
When 0 is set, initial value 700ms operation takes place.
0
700ms
Adjustment 
value
1
1
1
19
1, 2
Call 
arrival
Upper limit of call 
signal OFF time
This sets the maximum waiting time from detection of the call 
signal (CI) pulse (number of pulses) to detection of the next 
CI signal pulse.
Accordingly, if the next CI signal pulse is not detected within 
this time, the number of calls up to now is cleared.
"00": 6.5 seconds
"01": 10 seconds
"10": 15 seconds
"11": 20 seconds
0
"00": 6.5 seconds 
(Other country)
"01": 10 seconds 
(Sweden/Indonesia)
Adjustment 
value
0
3
Call 
arrival
CI clear judgment
Setting of the judgment of CI signal 1 cycle.
"1": Cleared only when the max. cycle is exceeded. (The min. 
cycle is 0.)
"0": Cleared when outside the range of 1 cycle. (The min. and 
the max. cycles are set with other soft switches.)
0
Cleared when outside the 
range of 1 cycle.
4, 5
Call 
arrival
Filter time when the CI 
signal is detected. 
The detection sampling time of the CI signal is set in the CI 
signal detection setting.
"00": 10ms
"01": 5ms
"10": 15ms
"11": 20ms
0
10ms
0
6-8
Not used
0
0
0
20
1-8
Not used
0
0
0
0
0
1
0
1
21
1-8
Not used
1
0
1
0
0
0
0
0
22
1-8
Not used
0
0
0
0
0
0
0
0
SW 
No.
Bit 
No.
Item
SW selection and function
Initial value
System 
settings
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