Brother Facsimile Equipment MFC7420 - Manual (Page 278)

App. 4-15 Confidential
WSW11 (Busy tone setting)
Selector
No.
Function Setting and Specifications
1
2
Busy tone frequency band
control
No. 1 2
0 0 : Narrows by 10 Hz
0 1 : Initial value
1 x : Widens by 10 Hz
3 1: 250-750/250-750 ms
4 1: 400-600/400-600 ms
5 1: 175-440/175-440 ms
6 1: 100-1000 ms/17-660 ms
7 1: 110-410/320-550 ms
8
ON/OFF time length ranges
for busy tone
(More than one setting
allowed)
1: 100-660/100-660 ms
NOTE: WSW11 is not applicable in those countries where no busy tone detection is supported.
NOTE: The setting of WSW11 is effective only when selectors 5 and 6 on WSW05 are set to "0, 1"
or "1, 1" (Busy tone detection).
Selectors 1 and 2: Busy tone frequency band control
These selectors set the frequency band for busy tone to be detected.
Selectors 3 through 8: ON/OFF time length ranges for busy tone
These selectors set the ON and OFF time length ranges for busy tone to be detected. If more than
one selector is set to "1," the ranges become wider. For example, if selectors 4 and 5 are set to "1,"
the ON and OFF time length ranges are from 175 to 600 ms.