Preparation12L To ensure that the battery chargesproperly, clean the charge contacts ofthe handset, base unit, and chargerwith a soft, dry cloth once a month.Clean more often if the unit is subjectto the exposure of grease, dust, orhigh humidity.L When the battery is empty, “Chargefor 7h” is displayed and the chargeindicator does not light for about 5minutes to concentrate on charging.Battery levelNote:L When the battery needs to becharged, the handset beepsintermittently during use.Panasonic battery performanceNote:L Battery operating time may beshortened over time depending onusage conditions and surroundingtemperature.L Battery power is consumed wheneverthe handset is off the base unit orcharger, even when the handset is notin use.L After the handset is fully charged,displaying “Charge completed”, itmay be left on the base unit orcharger without any ill effect on thebattery.L The battery level may not bedisplayed correctly after you replacethe battery. In this case, place thehandset on the base unit or chargerand let it charge for 7 hours.Symbols used in theseoperating instructionsBattery icon Battery level5 Fully charged6 Medium7 LowFlashing: needs tobe recharged.8 EmptyOperation Operating timeWhile in use(talking)Up to 5 hoursWhile not in use(standby)Up to 11 daysWhile using theclarity boosterfeature (page 18)Up to 3 hoursSymbol Meaning{ }Button name/soft key nameThe words in thebrackets indicatebutton names/softkey names on thehandset and baseunit.Example:Unit keys:{C}, {OFF}Soft keys:{View CID},{Phonebook}i Proceed to the nextoperation.“ ”Example:“Alarm”The words inquotations indicatethe menu on thedisplay.Example:{V}/{^}: “Off”Press {V} or {^} toselect “Off”.