Brother FAX-170 Service Manual page 127

Selector
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 equipment for the Standard.
Never access them.
WSW28
(Function setting 6)
Function
Transmission level of DTMF high-/low-band frequency signal
V – 39
Setting and Specifications
No. 1 2 3
0 0 0 :
0 0 1 :
0 1 0 :
0 1 1 :
1 0 0 :
1 0 1 :
1 1 0 :
1 1 1 :
No. 4 5 6
0 0 0 :
0 0 1 :
0 1 0 :
0 1 1 :
1 0 0 :
1 0 1 :
1 1 0 :
1 1 1 :
0 dB
+1 dB
+2 dB
+3 dB
0 dB
–1 dB
–2 dB
–3 dB
0 dB
+1 dB
+2 dB
+3 dB
0 dB
–1 dB
–2 dB
–3 dB