AR-FX8. Service manual - Sharp Copying Equipment Service Manual (repair manual). Page 57

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AR-FX8  SIMULATIONS, FAX SOFTWARE SWITCH  6 - 45
US = U.S.A./Canada,
UK = U.K.,
FR = France,
GR = Germany,
SW = Sweden,
AS = Australia,
NZ = New Zealand
72 1,2 Lower limit of busy tone 
detection time
(ON time)
Used to set the lower limit of detection time (ON time) of 
busy tone signal frequency. To count a busy tone signal 
as 1 pulse, it must be detected for more than the set 
time.
For CTR21, 150ms.
0
0
0
0
0
0
0 250ms (US, 
AS, NZ)
150ms 
(UK, FR, 
GR, SW)
0
1
1
1
1
0
0
3,4 Upper limit of busy tone 
detection time
(ON time)
Used to set the upper limit of detection time (ON time) of 
busy tone signal frequency. To count a busy tone signal 
as 1 pulse, it must be detected for less than the set time.
0
0
0
0
0
1
0 750ms 
(Other than 
AS)
2850ms 
(AS)
0
0
0
0
0
1
0
5,6 Lower limit of busy tone 
OFF detection time 
Used to set the upper limit of ON time when detecting 
the busy tone signal frequency. If the busy tone signal is 
detected over this setup, it is not counted as one pulse.
0
0
0
0
0
0
0 250ms (US, 
AS, NZ)
150ms 
(UK, FR, 
GR, SW)
0
1
1
1
1
0
0
7,8 Upper limit of busy tone 
OFF detection time
Used to set the upper limit of OFF time when detecting 
the busy tone signal frequency. If the busy tone signal is 
detected over this setup, it is not counted as one pulse.
0
0
0
0
0
0
0 750ms
0
0
0
0
0
0
0
73 1-8 Not used
0
0
0
0
0
0
0
1
1
1
1
1
1
1
0
0
0
0
0
0
0
1
1
1
1
1
1
1
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
74 1-8 Not used
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
1
1
1
1
1
1
1
SW 
No.
Bit 
No.
Item
Switch selection and function
US UK FR GR SW AS NZ Initial value
Key 
operator
Bit No.
1
2
250ms
0
0
150ms
0
1
450ms
1
0
350ms
1
1
Bit No.
3
4
750ms
0
0
650ms
0
1
1000ms
1
0
2850ms
1
1
Bit No.
5
6
250ms
0
0
150ms
0
1
450ms
1
0
350ms
1
1
Bit No.
7
8
750ms
0
0
650ms
0
1
1000ms
1
0
2850ms
1
1
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