3.1 Personal ProgrammingUser Manual 107To cancel3.1.2 Settings on the Programming ModeYou can program features using the programming mode.— Setting Features— Clearing FeaturesSetting FeaturesThe default settings are shown in bold letters. For later reference, place a check mark inthe boxes below to indicate your customized setting.•WARNINGWhen a third party discovers the password (extension PIN) of the PBX,there will be a risk that they will make fraudulent phone calls using thetelephone line, and the cost will be charged to your own account. In orderto avoid this problem, we strongly recommend the following points:a) Carefully maintain the secrecy of the PIN.b) Specify a complicated PIN as long and random as you can make it.c) Change the PIN frequently.• Valid numbers for an extension PIN are "0" through "9".• If the wrong extension PIN is entered for a preprogrammed number of times,the PIN is locked.• If you forget your extension PIN or your extension PIN is locked, your managercan clear the extension PIN and extension PIN lock.• To exit at any time, lift the handset.• To enter the programming mode when using a PS, refer to "OperatingInstructions" for PS.• The following items with "*" (asterisk) are not available for a PS.PT/SLT/PSOff-hook. Enter799.0Enter0. Enterstoredextension PIN.On-hook.storedextension PIN7 9 9 C.TonePIN: Personal Identification Number
