Canon MF4500 Series Service Manual

88 8-148-14Service Mode > FAX > List of NCU > PBX BUSY TONEService Mode > FAX > List of NCU > PBX BUSY TONE■ PBX DIAL TONE(1) Bit switchBit No. Function 1 0Bit 0 Frequency detection method Modem Tonal counterBit 1Bit 2 Signal frequency Changed Not changedBit 3Bit 4 Judgment of intermittent signal Start from valid ONsignalStart from either validON signal or OFF signalBit 5Bit 6 Signal form Continuous IntermittentBit 7 Signal detection Detected Not detected(2) Numeric value parameterParameter No. Function Setting range01; T0 timer 0 to 9999 (x10ms)02; T1 timer 0 to 9999 (x10ms)03; T2 timer 0 to 9999 (x10ms)04; T3 timer 0 to 9999 (x10ms)05; T4 timer 0 to 9999 (x10ms)06; Signal detection table 0 to 1607; Signal detection level 0 to 908; Number of valid tone detection 0 to 9999 (times)■ PBX BUSY TONE(1) Bit switchBit No. Function 1 0Bit 0Bit 1Bit 2 Signal frequency Changed Not changedBit 3Bit 4 Judgment of intermittent signal Start from valid ONsignalStart from either validON signal or OFF signalBit 5Bit 6 Signal form Continuous IntermittentBit 7 Signal detection Detected Not detectedT-8-37T-8-38T-8-39(2) Numeric value parameterParameter No. Function Setting range01; T0 timer 0 to 9999 (x10ms)02; T1 timer 0 to 9999 (x10ms)03; T2 timer 0 to 9999 (x10ms)04; T3 timer 0 to 9999 (x10ms)05; T4 timer 0 to 9999 (x10ms)06; Signal detection table 0 to 1607; Signal detection level 0 to 908; Number of valid tone detection 0 to 9999 (times)T-8-40