Brother MFC-9420CN Service Manual page 340

Selector
Function
No.
1
Transmission level of DTMF
|
high-band frequency signal
3
4
Transmission level of
| DTMF low-band frequency
signal
6
7
Not used.
8
Selectors 1 through 6:
These selectors are intended for the manufacturer who tests the machine for the Standard. Never
access them.
WSW28
(Function setting 6)
No. 1 2 3
No. 4 5 6
Transmission level of DTMF high-/low-band frequency signal
App. 4-32
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Setting and Specifications
0 0 0 : 0 dB
0 0 1 : +1 dB
0 1 0 : +2 dB
0 1 1 : +3 dB
1 0 0 : 0 dB
1 0 1 : -1 dB
1 1 0 : -2 dB
1 1 1 : -3 dB
0 0 0 : 0 dB
0 0 1 : +1 dB
0 1 0 : +2 dB
0 1 1 : +3 dB
1 0 0 : 0 dB
1 0 1 : -1 dB
1 1 0 : -2 dB
1 1 1 : -3 dB
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