Operation22 User Manual2.1 Before Operating the Telephones2.1.1 Before Operating the TelephonesWhat kind of telephone can be used?You can use a single line telephone (SLT), such as a rotary pulse telephone or a Panasonic digitalproprietary telephone (DPT) such as the KX-T7436. Operate the feature depending on the telephoneyou are using. If you are using a Panasonic digital proprietary telephone with a special function buttonsuch as and/or has a display, you can follow the operation with the button or displaymessages for easy programming.If you use a large display telephone (e.g. KX-T7436), you can follow the displayed messages tooperate the features.If your telephone does not have function buttons and/or a display, you may operate the unit byentering a feature number instead. Follow the available operation with your telephone. If you use aconsole, you can use the buttons on the console as the buttons on the connected digital proprietarytelephone.Feature NumbersTo operate certain features, you need to enter specified feature numbers (and an additionalparameter, if required).There are two types of feature numbers as follows:• Flexible feature number• Fixed feature numberFixed feature numbers cannot be changed. However, you can change the flexible numbers to othernumbers for easier use. If you want to change the numbers, consult your dealer. In this manual, thedefault numbers (factory installed) are used for operations.A flexible number is shown as (half-shaded key). Use the new programmed number if you havechanged the feature number. Write the new number in the 5.2 Feature Number List (Appendix).TonesYou will hear various tones, during or after an operation, for confirmation. Refer to 5.4.1 What isThis Tone? (Appendix).• If you use a Panasonic digitalproprietary telephone which does nothave function buttons, you maychange one of the unused flexiblebuttons to a function button. Refer to4.1.3 Customising the Buttons(Customising Your Phone & System).If you use a single line telephone which does not have the or # keys;it is not possible to access features that have or # in their feature numbers.REDIAL0