Brother FAX-921 - Manual (Page 134)

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