Nortel 743X User Manual

Also see for 743X: User guide

39General informationTroubleshootingThe telephone freezes.Remove and replace the battery pack.Press to turn on the telephone.The telephone does not ring.Check whether the ringer is SILENTor RINGER VOL. is OFF.Not possible to turn on thetelephone.Check if battery is connected. If yes,charge the battery.The telephone turn off whenreceiving a call and going off-hook.Charge the battery. If still a problemchange the battery as it might bedefective.InformationError informationImproper function of the handsetmight be related to the installation ofthe DMC system or failures related tothe main system.Before declaring a handset for repairbe sure that the main system is oper-ating properly.Technical specificationSize and weightSize: 148 x 50 x 28 mmWeight: 130 g incl. battery ± 10 gCapacityActive talking time 16 hoursStand-by time 150 hours