(PF)Programmable Feature(PF):Located on the upper part of theFlexible button array or on theDSS Console.Assigns the desired button andused to access the storedfeature. Mostly used as aOne-touch Dialing button. (Onlythe "F and number" may beshown on some telephones.)MODEMODE:Used to shift the display to accessvarious features.SELECTSELECT:Used to select the displayed itemor to call the displayed phonenumber.SHIFTSHIFT:Used to access the second level of Softbutton features.ENTER:Used to confirm the selecteditem.CANCEL:Used to cancel the selected item.NEXT PAGE:Used to switch the page for theSelf Labeling feature.(KX-NT366 only)Customized ButtonsIf the term is in parentheses like (Account) in this manual, it means a flexible button has been made into an"Account" button. To customize, refer to "3.1.4 Customizing the Buttons".Button FeatureLoop-CO (L-CO) Used to access an idle CO line for making outside calls.Incoming outside calls from any CO line arrive at this button.Group-CO (G-CO)Used to access an idle CO line in a specified CO line group for makingoutside calls.Incoming calls from CO lines in the assigned CO line group arrive at thisbutton.Single-CO (S-CO) Used to access a specified CO line for making or receiving outside calls.Direct Station Selection (DSS) Used to access an extension with one touch.It is also possible to be changed to the other feature button.One-touch Dialing Used to access a desired party or system feature with one touch.Incoming Call DistributionGroup (ICD Group)Used to access a specified incoming call distribution group for making orreceiving calls.Message Used to leave a message waiting indication or call back the party who leftthe message waiting indication.Message for AnotherExtension Used to have a Message button for another extension.Document Version 2008-10 Operating Manual 251.1.1 Before Operating the Telephones