Installation 2 - 47 OKIFAX 5300/5600Service Manual, P/N 59278301No. Item SpecificationsNote: S-ON: Effective if the service bit has been set on.FP: Function program settingTF: Technical function setting03 Receive mode1) Auto receive mode2) Manual recevice mode3) Telephone/fax automaticswitchover04 Automatic redial05 Last No. redial06 Group dialSelectable by key operation.Selectable by key operation.Selectable by key operation.The fax recognizes a fax call from a verbal call as follows:If the fax detects a call with a CNG signal, it starts anautomatic document receive operation.If it detects a call without a CNG signal, it sounds the buzzerto indicate a voice call. Operator can answer the call bylifting the telephone handset.If he or she does not lift the handset within predeterminedtime (20 sec. or 35 sec.), the fax automatically starts adocument receive operation.* FP + 10 (To determine the timer.)Note: Refer to "Tel/Fax Mode Flowchart" in this section.PTT parameter setting disables or enables this feature,and specifies redial times and redial intervals.* See 2.9.12 for the service bit condition depending onPTT parameters.“REDIAL” key is provided. There is no limit on number ofrepeat attempts.• 10 dialling groups (OKIFAX 5300)Max. 79 locations.• 20 dialling groups (OKIFAX 5600)Max. 129 locations.Grouping some one-touch keys and some two-digit autodial codes to which telephone numbers have been as-signed.This group setting makes broadcast operation simple.