Introduction8 User Manualdescribe each operation and illustration. Use the new programmed number if you have changeda flexible feature number. The lists of fixed numbers and default flexible feature numbers areshown in the Appendix.If you use a dial pulse (DP) type single line telephone (SLT);It is not possible to access features that have " " or "#" in their feature numbers.TonesVarious tone types, such as Confirmation tone, Dial tone, Call Waiting tone, etc. are explainedin the Appendix.DisplayThe display examples are in each operation step, if required. The display information list is inthe Appendix for your convenience.Programming Guide ReferencesThe related and required programming titles are noted for your reference in the ProgrammingGuide. System Programming should be done by the extension which connected to Jack number01 or the System Manager. A KX-T7431, KX-T7433, KX-T7436, KX-T7230 and KX-T7235can be used for this programming. Station Programming is individual programming at yourown proprietary telephone (PT). You can customize the extension to your needs using any typeof proprietary telephone.Features Guide ReferencesThe related feature titles are noted for your reference in the Features Guide.User Manual ReferencesThe related feature titles are noted for your reference in this manual.WarningWarning to the customer regarding the system password.a) Please maintain the secrecy of the password. Because a person who knows the passwordcan easily take over the control of any PBX system in the market and he may proceed tocommit toll fraud.b) Please select the dealer whom you can trust for the installation and maintenance.c) Please change the password periodically.d) We strongly recommend that you set the system password to 7 digits for maximumprotection against "hackers".