mode. In addition, in case handset batterypower runs out, we recommend connectinga corded-type telephone (without ACadaptor) to the same telephone line or tothe same telephone line jack using aT-adaptor.R Calls cannot be made during a powerfailure until key lock is turned off (page 18).R If “Please wait for 1 minute.” isdisplayed, please do not operate the unituntil the message disappears.Panasonic Ni-MH batteryperformance (supplied batteries)during power back-up modeWhen the batteries are fully charged,operating time of the handset in powerback-up mode varies depending on usage.– Continuous use of the handset in powerback-up mode: 2 hours max.– Continuous use of the handset other than ahandset in power back-up mode: 3 hoursmax.– Not in use in power back-up mode: 3 hoursmax.Note:R Actual battery performance depends onusage and ambient environment.Making calls during a powerfailuren When only 1 handset is registered:1 Lift the handset and dial the phonenumber.2 Within 1 minute, place the handset onthe base unit.R Wait until speakerphone is turnedon automatically and the call ismade.3 When the other party answers the call,keep the handset on the base unit andtalk using the speakerphone.4 When you finish talking, press MeN.Note:R In step 2, if you do not place the handset onthe base unit within 1 minute, the powerback-up mode turns off. In this case, pressMeN on the handset and dial the phonenumber. Then try again from step 2.n When 2 or more handsets are registered:You should leave one handset on the baseunit for supplying power, and use anotherhandset for making calls. For the operation,please see “Making calls”, page 16.Note:R During a call with the handset placed on thebase unit (power back-up mode), the callmay be disconnected if you touch thehandset. In such case, try to call back.R The range of the base unit is limited duringa power failure. Please use the handsetclose to the base unit.Continuing a call during a powerfailureWhen a power failure occurs during an outsidecall, the unit informs you with a notificationtone. You can continue to talk for about 1minute.n When only 1 handset is registered:If you want to continue the conversation,press MZN and then place the handset onthe base unit.n When 2 or more handsets are registered:If you want to continue the conversation,you should leave another handset on thebase unit for supplying power.19Making/Answering CallsTG68xxBX_UE(en)_0523_ver021.pdf 19 2013/05/23 16:41:16