Useful Information28For DSL usersWe recommend connecting a filter (contact your DSL service provider) to thetelephone line between the base unit and the telephone line jack.The handset beepsintermittently and/or7 flashes.L Fully charge the batteries (page 10).I fully charged thebatteries, but 7 stillflashes.L Clean the charge contacts and charge again(page 10).L It is time to replace the batteries (page 9).I fully charged thebatteries, but theoperating time seemsto be short.L Wipe the battery ends (S, T) and the unit contactswith a dry cloth.Caller information isnot displayed.L You need to subscribe to Caller ID service. Consultyour service provider/telephone company fordetails.L Your unit is connected to a telephone line with DSLservice (page 28).I cannot register ahandset to the baseunit.L The maximum number of handsets (6) are alreadyregistered to the base unit. Cancel unused handsetregistrations from the base unit (page 21).L You entered the wrong PIN. If you forget your PIN,consult your nearest Panasonic service centre.L Place the handset and the base unit away fromother electrical appliances.I do not know how toerase the missed callnumber (for example,“3 Calls”) from thedisplay.L There are unviewed missed calls remaining. Viewthem using the following method.1 {j/OK}2 {^}/{V}: “Caller List” i {>}3 Press {V} to search from the most recent call, orpress {^} to search from the oldest call.Problem Cause & solution