Useful Information42 For assistance, please visit http://www.panasonic.com/helpTroubleshootingIf you still have difficulties after following the instructions in this section, disconnectthe base unit AC adaptor, then reconnect the base unit AC adaptor.General useProgrammable settingsProblem Cause/solutionThe unit does not work. L Make sure the batteries are installed correctlyand fully charged (page 12).L Check the connections (page 11).L Unplug the base unit’s AC adaptor to reset theunit. Reconnect the adaptor and try again.L The handset has not been registered to thebase unit. Register the handset (page 38).I cannot hear a dial tone. L The base unit AC adaptor or telephone line cordis not connected. Check the connections.L If you are using a splitter to connect the unit,remove the splitter and connect the unit to thewall socket directly. If the unit operates properly,check the splitter.L Disconnect the unit from the telephone line andconnect a known working telephone. If theworking telephone operates properly, contactour service personnel to have the unit repaired.If the working telephone does not operateproperly, contact your service provider/telephone company.I do not know how to erase“missed call” from thedisplay.L There are unviewed missed calls remaining.View them using the following method.1 {MENU} (center of joystick) i x i{SELECT}2 Push the joystick down to search from the mostrecent call, or push the joystick up to searchfrom the oldest call.Problem Cause/solutionI have changed the displaylanguage to a language Icannot read.L Change the display language (page 14).