1.1 Before Operating the TelephonesUser Manual 15ToneYou will hear various tones, during or after an operation, for confirmation. Refer to "4.3.1 What is This Tone?"(Appendix).DisplayIn this manual, you will see "the display ...". This refers to the display of a Panasonic proprietary telephone.If your telephone is not a Panasonic display proprietary telephone, the message will not be displayed.If you use a Panasonic display proprietary telephone, the display helps you confirm the settings. Someproprietary telephones also give you easy access to features. A message is displayed depending on thefeature. By pressing the corresponding button on the side or at the bottom of the display, or pressing theNavigator Key, you can access the desired feature.Furthermore, depending on the display proprietary telephone, you can operate features or make calls usingthe display message. Refer to "1.11 Using a Display Proprietary Telephone".NoticeIn this manual, the display messages are described in English.Your Extension NumberIf you use a Panasonic display proprietary telephone, you can check your own extension number on thedisplay. Press the TRANSFER button or Soft (S1) button while on-hook.Using a Navigator Key/Jog Dial/Volume KeyThe Navigator Key can be used for the display contrast and the volume control or you can search for desireditems on the display. Press the Navigator Key/Volume Key or rotate the Jog Dial in the desired direction. Thecontrast or the volume level and the items will change as follows: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.Navigator Key Jog Dial Volume KeyUp(Levelincreases)Down(Leveldecreases)RightLeft ENTERLeft(anti-clockwise)LeveldecreasesRight(clockwise)LevelincreasesUp(Levelincreases)Down(Leveldecreases)