Brother Facsimile Equipment MFC7420 - Manual (Page 270)

App. 4-7 Confidential
Selector 4: Dual tone detection sensitivity in ICM recording
Setting this selector to "1" increases the tone detection sensitivity in ICM recording.
Selectors 5 and 6: Earth time length for earth function (Not used.)
These selectors set the short-circuiting time length of the telephone line (La or Lb) to ground.
This setting is effective only when the earth function is selected for the R key by using the
function switch.
Selectors 7 and 8: Break time length for flash function
These selectors set the break time length.
This setting is effective only when the flash function is selected for the Search/Speed Dial key by
using the function switch.
WSW05 (1st dial tone and busy tone detection)
Selector
No.
Function Setting and Specifications
1
|
3
1st dial tone detection
No. 1 2 3
0 0 0 : 3.5 sec. WAIT
0 0 1 : 7.0 sec. WAIT
0 1 0 : 10.5 sec. WAIT
0 1 1 : 14.0 sec. WAIT
1 0 0 : 17.5 sec. WAIT
1 0 1 : 21.0 sec. WAIT
1 1 0 : 24.5 sec. WAIT
1 1 1 : Detection (Without WAIT)
4
Max. pause time allowable for
remote ID code detection
0 : 2 seconds 1: 1 second
5
6
Busy tone detection in auto-
matic sending mode
No. 5 6
0
0 : No detection
0 1 : Detection only after dialing
1 0 : No detection
1 1 : Detection before and after dialing
7
Busy tone detection in auto-
matic receiving mode
0 : Yes 1: No
8 Not used.
NOTE: Selectors 5 through 7 are not applicable in those countries where no busy tone detection is
supported.