Brother International FAX-170 Service Manual - Page 131
WSW34, Function, setting, Selectors, cycles, detected, those, models, equipped, built, Number,
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WSW34 (Function setting 12) Selector No. Function 1 ICM recording time to be erased preceding the tone detection I when the equipment automatically 3 disconnects the line because no voice signal has been received No. of CNG cycles to be detected 4 (when the line is connected via the external telephone in the 5 external TAD mode or via the facsimile equipment in Fir or TAD mode) 6 Number of DTMF tone signals for inhibiting the detection of CNG 7 during external TAD operation 8 Not used. Setting and Specifications No. 1 2 3 000 : 001 : 010 : 011 : 100 : 101 : 110 : 111 : 0 sec. 1 sec. 2 sec. 3 sec. 4 sec. 5 sec. 6 sec. 7 sec. No. 4 5 00 : 01 : 10 : 11 : 0.5 (A) 1 (B) 1.5 (C) 2 (ID) No. 6 7 00 : 01 : 10 : 11 : 3 2 1 OFF • Selectors 4 and 5: No. of CNG cycles to be detected (For those models equipped with a builtin TAD) The equipment interprets a CNG as an effective signal if it detects a CNG signal by the number of cycles specified by these selectors in any of the following cases: • when the line is connected via the external telephone in the external TAD mode. • when the line is connected via the facsimile equipment in F/T or TAD mode. • Selectors 6 and 7: Number of DTMF tone signals for inhibiting the detection of CNG during external TAD operation If the equipment receives this specified number of DTMF tone signals during external TAD operation, it will not detect CNG afterwards. If these selectors are set to "1, 1," the CNG detection will not be inhibited.
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