34Busy Tone Detect*: This function allows the machine to detect a busytone when sending a fax. The available settings are ON and OFF. Speedaccess No. 44.Tone/Pulse (MF/DP)*: This function controls the dialling method of themachine. There are two common dialling methods; dialling with mono-tone pulses (pulse dialling DP) and dialling with different tones (tone ormultiple frequency (MF) dialling). Available settings are MF and DP.Speed access No. 45MF (Tone) Duration*: If the machine is set to MF, this function controlsthe duration of the tones used for dialling (tone duration varies bycountry). Available settings are 75, 85 and 100ms. Speed access No. 49.PBX Line*: This function must be turned ON if the machine is connectedto a PBX. When the function is activated and the access digit functionprogrammed, the machine will recognise the access digit in the PBX toobtain an outside line. After dialling the access digit, the machine willpause to wait for an outside line before dialling the remainder of the tele-phone number. Available settings are ON an OFF. Speed access No. 50.Flash/Earth/Normal*: If the machine is connected to a PBX, this func-tion sets the method of switching between the flash and earth modes forPBX lines. Available settings are NORMAL, FLASH and EARTH. Speedaccess No. 51.Dial Prefix*: If the machine is connected to a PBX, this function is usedto inform the machine the access number to use for obtaining an outsideline from the PBX. Up to four digits can be input for the prefix number.Speed access No. 52.Note: Settings marked with * cannot be selected when ISDN G4 boardis installed.Incoming call parametersIncoming Ring: This function offers a soft ringing sound through themachine’s built-in speaker when a call is received. If the function is set toOFF, the machine will not emit a ringing sound to announce incomingcalls. If the function is set to ON, the machine will only emit a ringingsound when the machine is set to TEL (manual receive mode) or RingResponse is set to 5-20sec (except 1 ring). When set to DRC (DistinctiveRing feature), the machine will emit a ringing sound for each incomingcall with the same tone even if the Distinctive Ring parameter is set to ON.Available settings are ON, OFF and DRC. Speed access No. 60.