(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 displayeditem or to call the displayedphone number.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 2010-08 Operating Manual 231.1.1 Before Operating the Telephones