Brother FAX 2800 - B/W Laser - Fax Service Manual page 179

WSW41
Selector
No.
1
ON-duration of the fluorescent lamp
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built in the CCD unit
3
4
Not used.
5
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Modem attenuator
8
NOTE: Selectors 5 through 8 take effect only in V. 34 mode.
NOTE: Selectors 1 through 3 are applicable only to models equipped with a flat-bed scanner.
Selectors 1 through 3: ON-duration of the fluorescent lamp built in the CCD unit
If the scanning operation is started when the fluorescent lamp is off, then the lamp will come on
and stay on for the time length specified by these selectors.
If these selectors are set to "1, 1, 1," the fluorescent lamp will go off after the scanning sequence.
Selectors 5 through 8:
These selectors are used to adjust the transmitting level of the modem when the reception level at
the remote station is improper due to line loss. This function applies to super G3 protocol signals.
(CCD fluorescent lamp and modem attenuator in V. 34 mode)
Function
Modem attenuator
41
Setting and Specifications
No. 1 2 3
0 0 0 : 16 hours
0 0 1 : 24 hours
0 1 0 : 12 hours
0 1 1 : 8 hours
1 0 0 : 4 hours
1 0 1 : 2 hours
1 1 0 : 10 minutes
1 1 1 : 0 minute
No. 5 6 7 8
0 0 0 0 : -10 dBm
0 0 0 1 : -11 dBm
0 0 1 0 : -12 dBm
0 0 1 1 : -13 dBm
0 1 0 0 : -14 dBm
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1 1 1 1 : -25 dBm
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