Brother MFC4820C Service Manual page 233

Selector
No.
1 Not used.
2 Detection enabled time for CNG
and no tone
3
4
Not used.
5
6 Registration of station ID
7
Tone sound monitoring
8
Selectors 2 and 3: Detection enabled time for CNG and no tone
After the line is connected via the external telephone or by picking up the handset of the facsimile
equipment, the equipment can detect a CNG signal or no tone for the time length specified by
these selectors. The setting specified by these selectors becomes effective only when selector 8 of
WSW20 is set to "1."
Selector 6: Registration of station ID
Setting this selector to "0" permits the registration of station ID for Austrian and Czech versions.
Selectors 7 and 8: Tone sound monitoring
These selectors set monitoring specifications of the tone sound inputted from the line.
WSW18
(Function setting 3)
Function
App. 4-21
Setting and Specifications
No. 2 3
0 0 : 40 sec.
0 1 : 0 sec. (No detection)
1 0 : 5 sec.
1 1 : 80 sec.
0: Permitted
No. 7 8
0 X : No monitoring
1 0 : Up to phase B at the
calling station only
1 1 : All transmission phases
both at the calling and
called stations
1: Prohibited