Panasonic KX-TG2421NZ Battery replacement, Battery performance, Operation Operating time

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Preparation

Battery performance

After your Panasonic battery is fully charged, you can expect the following performance:

Operation	Operating time

While in use	Up to 5 hours
(talking)

While not in use	Up to 11 days
(standby)*1
While using the	Up to 3 hours
Clarity Booster
feature (page 18)

*1 Handset is off the base unit but not in use.

Note:

LBattery power is consumed whenever the handset is off the base unit, even when the handset is not in use. The longer you leave the handset off the base unit, the shorter you can actually talk on the handset. Actual battery performance depends on a combination of how often the handset is in use and how often it is not in use.

LOnce the battery is fully charged, you do not have to charge it again until “Recharge battery” is displayed or 7 flashes. This will maximise the battery life.

Battery replacement

If battery performance diminishes, make sure you have cleaned the charge contacts and fully charged the battery. The battery needs to be replaced if any of the following are displayed after a few phone calls even when you have fully charged the battery.

–“Recharge battery”

–7 (flashing)

–“Charge for 6h”

–8

LUse only the rechargeable Panasonic battery noted on page 4.

1Press the notch on the cover firmly and slide it as indicated by the arrow.

2Replace the old battery with a new one, and close the cover (see page 10 for battery installation).

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Contents Charge the battery for 6 hours before initial use Model No. KX-TG2421NZIntroduction Introduction Accessory information Included accessories No. Accessory itemsImportant safety instructions InstallationBattery MedicalGeneral Warnings For best performance Important noticeBase unit location/noise EnvironmentRoutine care Connections Battery installation If you subscribe to an Adsl serviceBattery charge Battery strengthBattery icon Battery strength Recharging the batteryBattery replacement Battery performanceOperation Operating time Controls and display ControlsRinger indicator Receiver Display Microphone Charge contacts Using the navigator keyDisplay To adjust the speaker volume Making callsTo dial after confirming the entered number KRecall CallLTo make a call using the redial list Answering callsAuto talk Temporary ringer offUseful features during a call Hold buttonMute button Voice enhancerPause button for PBX/long distance service users For Call Waiting service usersRecall button =Phonebook G2=Booster onHandset locator Base unitHandset Using the phonebook Adding items to the phonebookCalling someone in the phonebook =Name search dB=Scroll listChain dial feature Editing items in the phonebookErasing items in the phonebook During an outside call, press MenuUsing Caller ID service Using toll services from Telecom or another companyCaller ID features Caller list Viewing the caller list and calling backMissed Calls Rcvd Phone Kcalls Book L Example Jack Smith 310P 29JUN 0555333444 310P 29JUNEditing a caller’s phone number before calling back Storing caller information into the phonebookErasing caller information Erasing a selected itemGuide to handset programming Main menu Sub-menuRinger settings Handset ringer volumeRinger volume Low High KBack dB SaveL Handset ringer toneCall options Display optionsAuto talk Handset LCD contrastTelephone settings Line modeRecall time Storing your area codeOther options Dial lockHandset key tone Re-registering the handsetBase unit Programming via direct commands Direct commands chartFeature Feature code Setting code Belt clip Headset optionalTo attach the belt clip To remove the belt clip To connect an optional headset to the handsetFasten the AC adaptor cord Hooks To power outlet Wall mountingError messages Display message Cause & solutionTroubleshooting Programmable settingsProblem Cause & solution General useMaking/answering calls, Paging PhonebookCaller ID Battery charge Power failureTechnical information Base unitHandset Index Page Manufacturer