Brother DCP-7030 Service Manual page 272

<WSW28>
Selector No.
1
Transmission level of DTMF
I
high-band frequency signal
3
4
Transmission level of DTMF low-
I
band frequency signal
6
7
Not used.
8
• Selectors 1 through 6: Transmission level of DTMF high-/low-band frequency signal
These selectors are intended for the manufacturer who tests the machine for the Standard.
Never access them.
Function
No. 1 2 3
No. 4 5 6
App. 1-33
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
Confidential