Siemens optiPoint 500 economy User Manual

Also see for optiPoint 500 advance: Operating instructions Operating instructions Operating instructions Operating instructions Operating instructions

Step by stepAdvice for users118118118118Advice for usersCare of the telephone• Use either a damp cloth or an antistatic cloth toclean the telephone. Never use a dry cloth!• If the telephone needs to be cleaned thoroughly,use a neutral, diluted, surface-active cleaning agent.Ensure that all traces of the cleaning agent are re-moved with a damp cloth (using water only!).• Never apply a cleaning agent that contains alcohol orthat is liable to harm plastic surfaces; never use anabrasive cleaning powder.TroubleshootingThere is no response after a key has been pressed:Check whether the key has become stuck.No ringing tone when an incoming call is received:Check whether you have activated the Do Not Disturbfunction (∆ page 22). If you have, cancel this functionto receive calls again.You cannot dial a number:Check whether you have locked the telephone(∆ page 54). If you have, unlock the telephone to makecalls again.The time shown on the display is not correct:After 24 hours at the latest, the time is corrected auto-matically (overnight).All other faults:First contact your system administrator. If the fault can-not be eliminated, Customer Service must be called in.

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Siemens optiPoint 500 economy User Manual

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