Brother FAX 1840C, Service Manual

Page: 318 / 401

App. 4-6 Confidential
l Selector 4: Dual tone detection sensitivity in ICM recording
Setting this selector to "1" increases the tone detection sensitivity in ICM recording.
l 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.
l 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 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.