71For assistance, please call: 1-800-211-PANA(7262)Useful InformationTroubleshootingIf the display shows error messages, see “If the Following Appear on YourDisplay...” (p. 68–70) for the Cause & Remedy.Telephone SystemProblem Cause & RemedyStatic, sound cuts in/out,fades. Interference from otherelectrical units.• Move the handset and the base unit awayfrom other electrical appliances (p. 6).• Walk closer to the base unit.• Raise the base unit antennas.• Press [ ] on the handset to turn on theReception Booster feature (p. 25).The base unit and/or handsetdoes not ring.• The ringer volume is OFF. Set to HIGH,MEDIUM or LOW (p. 19).• If more than one other unit is in use, thehandset/base unit may not ring. Users willhear incoming call tones (p. 49).The handset display is blank. • If only the handset display is blank, chargethe battery fully (p. 12).You cannot program functionitems.• Programming is not possible while the unit isbeing used.• Do not pause for over 60 seconds whileprogramming.• Walk closer to the base unit.• While another user is listening to messagesor the Answering System is responding to acall, you cannot program. Try again later.• If more than three other units are in use, youmay not be able to program with the base unitor handset. Try again later.While programming orsearching, the unit starts toring and stops the program/search.• A call is coming in. To answer the call, press[DIGITAL SP-PHONE], [ ] or [ ]. Startagain from the beginning after hanging up.You cannot make an intercom/external call.• If more than one other unit is in use, you maynot be able to make a call. Try again later.• Your handset is in the remote operation mode(p. 54). Exit the mode by pressing [OFF].• The handset you called is too far from thebase unit.