Brother International FAX 275 Service Manual - Page 115
WSW28, Function setting, Selectors, through, Transmission, level, frequency, signal
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Selector No. 1 I 3 4 6 7 8 WSW28 (Function setting 6) Function Transmission level of DTMF highband frequency signal Transmission level of DTMF low-band frequency signal Not used. Setting and Specifications No. 1 2 3 000 : 001 : 010 : 011 : 100 : 101 : 110 : 111 : No. 4 5 6 000 : 001 : 010 : 011 : 100 : 101 : 110 : 111 : 0dB +1 dB +2 dB +3 dB 0dB -1 dB -2 dB -3 dB 0dB +1 dB +2 dB +3 dB 0 dB -1 dB -2 dB -3 dB • 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. V - 41
WSW28
(Function setting
6)
Selector
No.
Function
Setting
and
Specifications
No.
1
2
3
0 0 0
:
0dB
1
0 0
1
:
+1
dB
Transmission
level
of
DTMF
high-
0
1
0
:
+2
dB
I
band
frequency
signal
0
1 1
:
+3
dB
3
1
0 0
:
0dB
1
0
1
:
-1
dB
1 1
0
:
-2
dB
1 1 1
:
-3
dB
No.
4
5
6
0 0 0
:
0dB
0 0
1
:
+1
dB
4
Transmission
level
of
DTMF
0
1
0
:
+2
dB
low
-band
frequency
signal
0
1 1
:
+3
dB
6
1
0 0
:
0
dB
1
0
1
:
-1
dB
1 1
0
:
-2
dB
1 1 1
:
-3
dB
7
8
Not
used.
•
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.
V
-
41